Home / 619,377,127.34-854,758,933.53-381,359,624.85

Finding the Fourth Proportional to 619,377,127.34, 854,758,933.53 and 381,359,624.85

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Solution

The fourth proportional to 619,377,127.34, 854,758,933.53 and 381,359,624.85 is: 526,287,671.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,377,127.34 : 854,758,933.53 = 381,359,624.85 : x
  2. Step 2: Convert to fraction form
    619,377,127.34/854,758,933.53 = 381,359,624.85/x
  3. Step 3: Cross multiply
    619,377,127.34x = 854,758,933.53 × 381,359,624.85
  4. Step 4: Simplify right side
    619,377,127.34x = 325,970,546,223,551,424
  5. Step 5: Solve for x
    x = 325,970,546,223,551,424/619,377,127.34
  6. Step 6: Final answer
    x = 526,287,671.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.