Home / 394,892,557.20-592,338,835.80-280,101,301.20

Finding the Fourth Proportional to 394,892,557.20, 592,338,835.80 and 280,101,301.20

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Solution

The fourth proportional to 394,892,557.20, 592,338,835.80 and 280,101,301.20 is: 420,151,951.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,892,557.20 : 592,338,835.80 = 280,101,301.20 : x
  2. Step 2: Convert to fraction form
    394,892,557.20/592,338,835.80 = 280,101,301.20/x
  3. Step 3: Cross multiply
    394,892,557.20x = 592,338,835.80 × 280,101,301.20
  4. Step 4: Simplify right side
    394,892,557.20x = 165,914,878,658,873,120
  5. Step 5: Solve for x
    x = 165,914,878,658,873,120/394,892,557.20
  6. Step 6: Final answer
    x = 420,151,951.80

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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.