Home / 417,536,329.20-626,304,493.80-379,912,930.80

Finding the Fourth Proportional to 417,536,329.20, 626,304,493.80 and 379,912,930.80

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Solution

The fourth proportional to 417,536,329.20, 626,304,493.80 and 379,912,930.80 is: 569,869,396.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,536,329.20 : 626,304,493.80 = 379,912,930.80 : x
  2. Step 2: Convert to fraction form
    417,536,329.20/626,304,493.80 = 379,912,930.80/x
  3. Step 3: Cross multiply
    417,536,329.20x = 626,304,493.80 × 379,912,930.80
  4. Step 4: Simplify right side
    417,536,329.20x = 237,941,175,812,768,416
  5. Step 5: Solve for x
    x = 237,941,175,812,768,416/417,536,329.20
  6. Step 6: Final answer
    x = 569,869,396.20

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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.