Finding the Fourth Proportional to 1,762,660,461.87, 2,643,895,010.95 and 535,733,253.99
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Solution
The fourth proportional to 1,762,660,461.87, 2,643,895,010.95 and 535,733,253.99 is: 803,570,799.97
Step by Step Solution
- Step 1: Write the proportion equation
1,762,660,461.87 : 2,643,895,010.95 = 535,733,253.99 : x - Step 2: Convert to fraction form
1,762,660,461.87/2,643,895,010.95 = 535,733,253.99/x - Step 3: Cross multiply
1,762,660,461.87x = 2,643,895,010.95 × 535,733,253.99 - Step 4: Simplify right side
1,762,660,461.87x = 1,416,422,477,422,831,104 - Step 5: Solve for x
x = 1,416,422,477,422,831,104/1,762,660,461.87 - Step 6: Final answer
x = 803,570,799.97
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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.