Home / 1,512,128,487.90-2,265,641,815.05-734,098,863.90

Finding the Fourth Proportional to 1,512,128,487.90, 2,265,641,815.05 and 734,098,863.90

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Solution

The fourth proportional to 1,512,128,487.90, 2,265,641,815.05 and 734,098,863.90 is: 1,099,909,892.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,128,487.90 : 2,265,641,815.05 = 734,098,863.90 : x
  2. Step 2: Convert to fraction form
    1,512,128,487.90/2,265,641,815.05 = 734,098,863.90/x
  3. Step 3: Cross multiply
    1,512,128,487.90x = 2,265,641,815.05 × 734,098,863.90
  4. Step 4: Simplify right side
    1,512,128,487.90x = 1,663,205,082,432,538,880
  5. Step 5: Solve for x
    x = 1,663,205,082,432,538,880/1,512,128,487.90
  6. Step 6: Final answer
    x = 1,099,909,892.41

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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.