Home / 359,154,061.47-538,472,419.16-220,693,555.13

Finding the Fourth Proportional to 359,154,061.47, 538,472,419.16 and 220,693,555.13

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Solution

The fourth proportional to 359,154,061.47, 538,472,419.16 and 220,693,555.13 is: 330,881,382.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,154,061.47 : 538,472,419.16 = 220,693,555.13 : x
  2. Step 2: Convert to fraction form
    359,154,061.47/538,472,419.16 = 220,693,555.13/x
  3. Step 3: Cross multiply
    359,154,061.47x = 538,472,419.16 × 220,693,555.13
  4. Step 4: Simplify right side
    359,154,061.47x = 118,837,392,520,076,096
  5. Step 5: Solve for x
    x = 118,837,392,520,076,096/359,154,061.47
  6. Step 6: Final answer
    x = 330,881,382.86

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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.