Home / 356,318,793.90-534,478,190.85-298,923,165.90

Finding the Fourth Proportional to 356,318,793.90, 534,478,190.85 and 298,923,165.90

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Solution

The fourth proportional to 356,318,793.90, 534,478,190.85 and 298,923,165.90 is: 448,384,748.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,318,793.90 : 534,478,190.85 = 298,923,165.90 : x
  2. Step 2: Convert to fraction form
    356,318,793.90/534,478,190.85 = 298,923,165.90/x
  3. Step 3: Cross multiply
    356,318,793.90x = 534,478,190.85 × 298,923,165.90
  4. Step 4: Simplify right side
    356,318,793.90x = 159,767,912,913,386,400
  5. Step 5: Solve for x
    x = 159,767,912,913,386,400/356,318,793.90
  6. Step 6: Final answer
    x = 448,384,748.85

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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.