Home / 394,859,308.20-592,288,962.30-280,068,052.20

Finding the Fourth Proportional to 394,859,308.20, 592,288,962.30 and 280,068,052.20

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Solution

The fourth proportional to 394,859,308.20, 592,288,962.30 and 280,068,052.20 is: 420,102,078.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,859,308.20 : 592,288,962.30 = 280,068,052.20 : x
  2. Step 2: Convert to fraction form
    394,859,308.20/592,288,962.30 = 280,068,052.20/x
  3. Step 3: Cross multiply
    394,859,308.20x = 592,288,962.30 × 280,068,052.20
  4. Step 4: Simplify right side
    394,859,308.20x = 165,881,216,010,920,224
  5. Step 5: Solve for x
    x = 165,881,216,010,920,224/394,859,308.20
  6. Step 6: Final answer
    x = 420,102,078.30

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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.