Home / 728,224,135.30-1,004,755,545.93-414,951,671.62

Finding the Fourth Proportional to 728,224,135.30, 1,004,755,545.93 and 414,951,671.62

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Solution

The fourth proportional to 728,224,135.30, 1,004,755,545.93 and 414,951,671.62 is: 572,522,899.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,224,135.30 : 1,004,755,545.93 = 414,951,671.62 : x
  2. Step 2: Convert to fraction form
    728,224,135.30/1,004,755,545.93 = 414,951,671.62/x
  3. Step 3: Cross multiply
    728,224,135.30x = 1,004,755,545.93 × 414,951,671.62
  4. Step 4: Simplify right side
    728,224,135.30x = 416,924,993,353,119,168
  5. Step 5: Solve for x
    x = 416,924,993,353,119,168/728,224,135.30
  6. Step 6: Final answer
    x = 572,522,899.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.