Finding the Fourth Proportional to 7,447,827,538.56, 11,172,889,220.40 and 2,539,353,432
Calculator
Solution
The fourth proportional to 7,447,827,538.56, 11,172,889,220.40 and 2,539,353,432 is: 3,809,421,531.35
Step by Step Solution
- Step 1: Write the proportion equation
7,447,827,538.56 : 11,172,889,220.40 = 2,539,353,432 : x - Step 2: Convert to fraction form
7,447,827,538.56/11,172,889,220.40 = 2,539,353,432/x - Step 3: Cross multiply
7,447,827,538.56x = 11,172,889,220.40 × 2,539,353,432 - Step 4: Simplify right side
7,447,827,538.56x = 28,371,914,587,178,545,152 - Step 5: Solve for x
x = 28,371,914,587,178,545,152/7,447,827,538.56 - Step 6: Final answer
x = 3,809,421,531.35
Related Problems
Find fourth proportional to 3,723,913,769.28, 5,586,444,610.20 and 1,269,676,716
Half scale
Find fourth proportional to 14,895,655,077.12, 22,345,778,440.80 and 5,078,706,864
Double scale
Find fourth proportional to 7,447,827,539.56, 11,172,889,221.90 and 2,539,353,433
Similar ratio
Find fourth proportional to 11,171,741,307.84, 16,759,333,830.60 and 3,809,030,148
1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.