Finding the Fourth Proportional to 71,362,202,989,362, 98,479,844,861,031 and 39,720,215,601,333
Calculator
Solution
The fourth proportional to 71,362,202,989,362, 98,479,844,861,031 and 39,720,215,601,333 is: 54,813,900,165,737.42
Step by Step Solution
- Step 1: Write the proportion equation
71,362,202,989,362 : 98,479,844,861,031 = 39,720,215,601,333 : x - Step 2: Convert to fraction form
71,362,202,989,362/98,479,844,861,031 = 39,720,215,601,333/x - Step 3: Cross multiply
71,362,202,989,362x = 98,479,844,861,031 × 39,720,215,601,333 - Step 4: Simplify right side
71,362,202,989,362x = 3,911,640,670,265,977,139,953,139,712 - Step 5: Solve for x
x = 3,911,640,670,265,977,139,953,139,712/71,362,202,989,362 - Step 6: Final answer
x = 54,813,900,165,737.42
Related Problems
Find fourth proportional to 35,681,101,494,681, 49,239,922,430,515.50 and 19,860,107,800,666.50
Half scale
Find fourth proportional to 142,724,405,978,724, 196,959,689,722,062 and 79,440,431,202,666
Double scale
Find fourth proportional to 71,362,202,989,363, 98,479,844,861,032.38 and 39,720,215,601,334
Similar ratio
Find fourth proportional to 107,043,304,484,043, 147,719,767,291,546.50 and 59,580,323,401,999.50
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.