Home / 417,474,234.70-626,211,352.05-381,123,670.30

Finding the Fourth Proportional to 417,474,234.70, 626,211,352.05 and 381,123,670.30

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Solution

The fourth proportional to 417,474,234.70, 626,211,352.05 and 381,123,670.30 is: 571,685,505.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,474,234.70 : 626,211,352.05 = 381,123,670.30 : x
  2. Step 2: Convert to fraction form
    417,474,234.70/626,211,352.05 = 381,123,670.30/x
  3. Step 3: Cross multiply
    417,474,234.70x = 626,211,352.05 × 381,123,670.30
  4. Step 4: Simplify right side
    417,474,234.70x = 238,663,968,876,821,408
  5. Step 5: Solve for x
    x = 238,663,968,876,821,408/417,474,234.70
  6. Step 6: Final answer
    x = 571,685,505.45

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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.