Finding the Fourth Proportional to 1,512,128,532.90, 2,265,641,882.55 and 734,098,908.90
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Solution
The fourth proportional to 1,512,128,532.90, 2,265,641,882.55 and 734,098,908.90 is: 1,099,909,959.87
Step by Step Solution
- Step 1: Write the proportion equation
1,512,128,532.90 : 2,265,641,882.55 = 734,098,908.90 : x - Step 2: Convert to fraction form
1,512,128,532.90/2,265,641,882.55 = 734,098,908.90/x - Step 3: Cross multiply
1,512,128,532.90x = 2,265,641,882.55 × 734,098,908.90 - Step 4: Simplify right side
1,512,128,532.90x = 1,663,205,233,938,097,152 - Step 5: Solve for x
x = 1,663,205,233,938,097,152/1,512,128,532.90 - Step 6: Final answer
x = 1,099,909,959.87
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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.