Home / 1,125,875,439.60-1,687,342,352.52-627,866,080.68

Finding the Fourth Proportional to 1,125,875,439.60, 1,687,342,352.52 and 627,866,080.68

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Solution

The fourth proportional to 1,125,875,439.60, 1,687,342,352.52 and 627,866,080.68 is: 940,978,897.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,875,439.60 : 1,687,342,352.52 = 627,866,080.68 : x
  2. Step 2: Convert to fraction form
    1,125,875,439.60/1,687,342,352.52 = 627,866,080.68/x
  3. Step 3: Cross multiply
    1,125,875,439.60x = 1,687,342,352.52 × 627,866,080.68
  4. Step 4: Simplify right side
    1,125,875,439.60x = 1,059,425,029,642,103,168
  5. Step 5: Solve for x
    x = 1,059,425,029,642,103,168/1,125,875,439.60
  6. Step 6: Final answer
    x = 940,978,897.29

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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.