Home / 359,240,557.53-538,858,575.12-193,322,217.66

Finding the Fourth Proportional to 359,240,557.53, 538,858,575.12 and 193,322,217.66

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Solution

The fourth proportional to 359,240,557.53, 538,858,575.12 and 193,322,217.66 is: 289,982,109.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,240,557.53 : 538,858,575.12 = 193,322,217.66 : x
  2. Step 2: Convert to fraction form
    359,240,557.53/538,858,575.12 = 193,322,217.66/x
  3. Step 3: Cross multiply
    359,240,557.53x = 538,858,575.12 × 193,322,217.66
  4. Step 4: Simplify right side
    359,240,557.53x = 104,173,334,747,306,096
  5. Step 5: Solve for x
    x = 104,173,334,747,306,096/359,240,557.53
  6. Step 6: Final answer
    x = 289,982,109.66

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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.