Home / 297,578,498.85-446,369,174.70-90,318,710.43

Finding the Fourth Proportional to 297,578,498.85, 446,369,174.70 and 90,318,710.43

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Solution

The fourth proportional to 297,578,498.85, 446,369,174.70 and 90,318,710.43 is: 135,478,498.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,578,498.85 : 446,369,174.70 = 90,318,710.43 : x
  2. Step 2: Convert to fraction form
    297,578,498.85/446,369,174.70 = 90,318,710.43/x
  3. Step 3: Cross multiply
    297,578,498.85x = 446,369,174.70 × 90,318,710.43
  4. Step 4: Simplify right side
    297,578,498.85x = 40,315,488,234,607,384
  5. Step 5: Solve for x
    x = 40,315,488,234,607,384/297,578,498.85
  6. Step 6: Final answer
    x = 135,478,498.58

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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.