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Finding the Fourth Proportional to 409,906,029.60, 614,859,044.40 and 370,366,819.20

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Solution

The fourth proportional to 409,906,029.60, 614,859,044.40 and 370,366,819.20 is: 555,550,228.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,906,029.60 : 614,859,044.40 = 370,366,819.20 : x
  2. Step 2: Convert to fraction form
    409,906,029.60/614,859,044.40 = 370,366,819.20/x
  3. Step 3: Cross multiply
    409,906,029.60x = 614,859,044.40 × 370,366,819.20
  4. Step 4: Simplify right side
    409,906,029.60x = 227,723,388,530,779,552
  5. Step 5: Solve for x
    x = 227,723,388,530,779,552/409,906,029.60
  6. Step 6: Final answer
    x = 555,550,228.80

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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.