Home / 625,344,187.60-938,016,281.40-462,085,512.40

Finding the Fourth Proportional to 625,344,187.60, 938,016,281.40 and 462,085,512.40

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Solution

The fourth proportional to 625,344,187.60, 938,016,281.40 and 462,085,512.40 is: 693,128,268.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,344,187.60 : 938,016,281.40 = 462,085,512.40 : x
  2. Step 2: Convert to fraction form
    625,344,187.60/938,016,281.40 = 462,085,512.40/x
  3. Step 3: Cross multiply
    625,344,187.60x = 938,016,281.40 × 462,085,512.40
  4. Step 4: Simplify right side
    625,344,187.60x = 433,443,734,030,261,568
  5. Step 5: Solve for x
    x = 433,443,734,030,261,568/625,344,187.60
  6. Step 6: Final answer
    x = 693,128,268.60

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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.