Home / 499,392,023.70-749,088,035.55-318,441,393.30

Finding the Fourth Proportional to 499,392,023.70, 749,088,035.55 and 318,441,393.30

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Solution

The fourth proportional to 499,392,023.70, 749,088,035.55 and 318,441,393.30 is: 477,662,089.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,392,023.70 : 749,088,035.55 = 318,441,393.30 : x
  2. Step 2: Convert to fraction form
    499,392,023.70/749,088,035.55 = 318,441,393.30/x
  3. Step 3: Cross multiply
    499,392,023.70x = 749,088,035.55 × 318,441,393.30
  4. Step 4: Simplify right side
    499,392,023.70x = 238,540,637,744,901,920
  5. Step 5: Solve for x
    x = 238,540,637,744,901,920/499,392,023.70
  6. Step 6: Final answer
    x = 477,662,089.95

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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.