Home / 513,105,046.20-769,657,569.30-448,534,964.70

Finding the Fourth Proportional to 513,105,046.20, 769,657,569.30 and 448,534,964.70

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Solution

The fourth proportional to 513,105,046.20, 769,657,569.30 and 448,534,964.70 is: 672,802,447.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,105,046.20 : 769,657,569.30 = 448,534,964.70 : x
  2. Step 2: Convert to fraction form
    513,105,046.20/769,657,569.30 = 448,534,964.70/x
  3. Step 3: Cross multiply
    513,105,046.20x = 769,657,569.30 × 448,534,964.70
  4. Step 4: Simplify right side
    513,105,046.20x = 345,218,330,677,063,296
  5. Step 5: Solve for x
    x = 345,218,330,677,063,296/513,105,046.20
  6. Step 6: Final answer
    x = 672,802,447.05

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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.