Home / 1,512,128,520.90-2,265,641,864.55-734,098,896.90

Finding the Fourth Proportional to 1,512,128,520.90, 2,265,641,864.55 and 734,098,896.90

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Solution

The fourth proportional to 1,512,128,520.90, 2,265,641,864.55 and 734,098,896.90 is: 1,099,909,941.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,128,520.90 : 2,265,641,864.55 = 734,098,896.90 : x
  2. Step 2: Convert to fraction form
    1,512,128,520.90/2,265,641,864.55 = 734,098,896.90/x
  3. Step 3: Cross multiply
    1,512,128,520.90x = 2,265,641,864.55 × 734,098,896.90
  4. Step 4: Simplify right side
    1,512,128,520.90x = 1,663,205,193,536,614,400
  5. Step 5: Solve for x
    x = 1,663,205,193,536,614,400/1,512,128,520.90
  6. Step 6: Final answer
    x = 1,099,909,941.88

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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.