Home / 471,744,902.80-707,617,354.20-388,521,242.20

Finding the Fourth Proportional to 471,744,902.80, 707,617,354.20 and 388,521,242.20

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Solution

The fourth proportional to 471,744,902.80, 707,617,354.20 and 388,521,242.20 is: 582,781,863.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,744,902.80 : 707,617,354.20 = 388,521,242.20 : x
  2. Step 2: Convert to fraction form
    471,744,902.80/707,617,354.20 = 388,521,242.20/x
  3. Step 3: Cross multiply
    471,744,902.80x = 707,617,354.20 × 388,521,242.20
  4. Step 4: Simplify right side
    471,744,902.80x = 274,924,373,456,061,408
  5. Step 5: Solve for x
    x = 274,924,373,456,061,408/471,744,902.80
  6. Step 6: Final answer
    x = 582,781,863.30

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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.