Finding the Fourth Proportional to 1,512,128,481.40, 2,265,641,805.30 and 734,098,857.40
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Solution
The fourth proportional to 1,512,128,481.40, 2,265,641,805.30 and 734,098,857.40 is: 1,099,909,882.66
Step by Step Solution
- Step 1: Write the proportion equation
1,512,128,481.40 : 2,265,641,805.30 = 734,098,857.40 : x - Step 2: Convert to fraction form
1,512,128,481.40/2,265,641,805.30 = 734,098,857.40/x - Step 3: Cross multiply
1,512,128,481.40x = 2,265,641,805.30 × 734,098,857.40 - Step 4: Simplify right side
1,512,128,481.40x = 1,663,205,060,548,403,456 - Step 5: Solve for x
x = 1,663,205,060,548,403,456/1,512,128,481.40 - Step 6: Final answer
x = 1,099,909,882.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.