Home / 924,361,400.72-1,386,542,016.96-406,791,841.28

Finding the Fourth Proportional to 924,361,400.72, 1,386,542,016.96 and 406,791,841.28

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Solution

The fourth proportional to 924,361,400.72, 1,386,542,016.96 and 406,791,841.28 is: 610,187,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,361,400.72 : 1,386,542,016.96 = 406,791,841.28 : x
  2. Step 2: Convert to fraction form
    924,361,400.72/1,386,542,016.96 = 406,791,841.28/x
  3. Step 3: Cross multiply
    924,361,400.72x = 1,386,542,016.96 × 406,791,841.28
  4. Step 4: Simplify right side
    924,361,400.72x = 564,033,980,091,243,392
  5. Step 5: Solve for x
    x = 564,033,980,091,243,392/924,361,400.72
  6. Step 6: Final answer
    x = 610,187,724.90

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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.