Home / 462,344,935.60-693,517,403.40-420,018,612.40

Finding the Fourth Proportional to 462,344,935.60, 693,517,403.40 and 420,018,612.40

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Solution

The fourth proportional to 462,344,935.60, 693,517,403.40 and 420,018,612.40 is: 630,027,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,344,935.60 : 693,517,403.40 = 420,018,612.40 : x
  2. Step 2: Convert to fraction form
    462,344,935.60/693,517,403.40 = 420,018,612.40/x
  3. Step 3: Cross multiply
    462,344,935.60x = 693,517,403.40 × 420,018,612.40
  4. Step 4: Simplify right side
    462,344,935.60x = 291,290,217,451,319,040
  5. Step 5: Solve for x
    x = 291,290,217,451,319,040/462,344,935.60
  6. Step 6: Final answer
    x = 630,027,918.60

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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.