Home / 359,227,812.80-538,841,719.20-230,087,649.80

Finding the Fourth Proportional to 359,227,812.80, 538,841,719.20 and 230,087,649.80

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Solution

The fourth proportional to 359,227,812.80, 538,841,719.20 and 230,087,649.80 is: 345,131,474.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,227,812.80 : 538,841,719.20 = 230,087,649.80 : x
  2. Step 2: Convert to fraction form
    359,227,812.80/538,841,719.20 = 230,087,649.80/x
  3. Step 3: Cross multiply
    359,227,812.80x = 538,841,719.20 × 230,087,649.80
  4. Step 4: Simplify right side
    359,227,812.80x = 123,980,824,784,919,552
  5. Step 5: Solve for x
    x = 123,980,824,784,919,552/359,227,812.80
  6. Step 6: Final answer
    x = 345,131,474.70

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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.