Home / 442,868,002.10-664,302,003.15-297,749,179.70

Finding the Fourth Proportional to 442,868,002.10, 664,302,003.15 and 297,749,179.70

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Solution

The fourth proportional to 442,868,002.10, 664,302,003.15 and 297,749,179.70 is: 446,623,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,868,002.10 : 664,302,003.15 = 297,749,179.70 : x
  2. Step 2: Convert to fraction form
    442,868,002.10/664,302,003.15 = 297,749,179.70/x
  3. Step 3: Cross multiply
    442,868,002.10x = 664,302,003.15 × 297,749,179.70
  4. Step 4: Simplify right side
    442,868,002.10x = 197,795,376,510,979,296
  5. Step 5: Solve for x
    x = 197,795,376,510,979,296/442,868,002.10
  6. Step 6: Final answer
    x = 446,623,769.55

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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.