Home / 359,221,520.55-538,832,280.83-155,148,176.55

Finding the Fourth Proportional to 359,221,520.55, 538,832,280.83 and 155,148,176.55

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Solution

The fourth proportional to 359,221,520.55, 538,832,280.83 and 155,148,176.55 is: 232,722,264.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,221,520.55 : 538,832,280.83 = 155,148,176.55 : x
  2. Step 2: Convert to fraction form
    359,221,520.55/538,832,280.83 = 155,148,176.55/x
  3. Step 3: Cross multiply
    359,221,520.55x = 538,832,280.83 × 155,148,176.55
  4. Step 4: Simplify right side
    359,221,520.55x = 83,598,845,836,276,288
  5. Step 5: Solve for x
    x = 83,598,845,836,276,288/359,221,520.55
  6. Step 6: Final answer
    x = 232,722,264.83

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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.