Home / 418,662,306.37-577,743,423.15-230,488,721.65

Finding the Fourth Proportional to 418,662,306.37, 577,743,423.15 and 230,488,721.65

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Solution

The fourth proportional to 418,662,306.37, 577,743,423.15 and 230,488,721.65 is: 318,068,622.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,662,306.37 : 577,743,423.15 = 230,488,721.65 : x
  2. Step 2: Convert to fraction form
    418,662,306.37/577,743,423.15 = 230,488,721.65/x
  3. Step 3: Cross multiply
    418,662,306.37x = 577,743,423.15 × 230,488,721.65
  4. Step 4: Simplify right side
    418,662,306.37x = 133,163,343,043,501,552
  5. Step 5: Solve for x
    x = 133,163,343,043,501,552/418,662,306.37
  6. Step 6: Final answer
    x = 318,068,622.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.