Home / 445,020,021.60-667,530,032.40-291,755,061.60

Finding the Fourth Proportional to 445,020,021.60, 667,530,032.40 and 291,755,061.60

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Solution

The fourth proportional to 445,020,021.60, 667,530,032.40 and 291,755,061.60 is: 437,632,592.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,020,021.60 : 667,530,032.40 = 291,755,061.60 : x
  2. Step 2: Convert to fraction form
    445,020,021.60/667,530,032.40 = 291,755,061.60/x
  3. Step 3: Cross multiply
    445,020,021.60x = 667,530,032.40 × 291,755,061.60
  4. Step 4: Simplify right side
    445,020,021.60x = 194,755,265,722,712,000
  5. Step 5: Solve for x
    x = 194,755,265,722,712,000/445,020,021.60
  6. Step 6: Final answer
    x = 437,632,592.40

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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.