Home / 663,552,001.70-995,328,002.55-323,813,377.70

Finding the Fourth Proportional to 663,552,001.70, 995,328,002.55 and 323,813,377.70

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Solution

The fourth proportional to 663,552,001.70, 995,328,002.55 and 323,813,377.70 is: 485,720,066.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,001.70 : 995,328,002.55 = 323,813,377.70 : x
  2. Step 2: Convert to fraction form
    663,552,001.70/995,328,002.55 = 323,813,377.70/x
  3. Step 3: Cross multiply
    663,552,001.70x = 995,328,002.55 × 323,813,377.70
  4. Step 4: Simplify right side
    663,552,001.70x = 322,300,522,425,109,696
  5. Step 5: Solve for x
    x = 322,300,522,425,109,696/663,552,001.70
  6. Step 6: Final answer
    x = 485,720,066.55

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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.