Home / 1,125,875,432.82-1,687,342,342.46-627,866,073.93

Finding the Fourth Proportional to 1,125,875,432.82, 1,687,342,342.46 and 627,866,073.93

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Solution

The fourth proportional to 1,125,875,432.82, 1,687,342,342.46 and 627,866,073.93 is: 940,978,887.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,875,432.82 : 1,687,342,342.46 = 627,866,073.93 : x
  2. Step 2: Convert to fraction form
    1,125,875,432.82/1,687,342,342.46 = 627,866,073.93/x
  3. Step 3: Cross multiply
    1,125,875,432.82x = 1,687,342,342.46 × 627,866,073.93
  4. Step 4: Simplify right side
    1,125,875,432.82x = 1,059,425,011,933,070,208
  5. Step 5: Solve for x
    x = 1,059,425,011,933,070,208/1,125,875,432.82
  6. Step 6: Final answer
    x = 940,978,887.23

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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.