Home / 663,552,066.20-995,328,099.30-639,365,595.80

Finding the Fourth Proportional to 663,552,066.20, 995,328,099.30 and 639,365,595.80

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Solution

The fourth proportional to 663,552,066.20, 995,328,099.30 and 639,365,595.80 is: 959,048,393.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,066.20 : 995,328,099.30 = 639,365,595.80 : x
  2. Step 2: Convert to fraction form
    663,552,066.20/995,328,099.30 = 639,365,595.80/x
  3. Step 3: Cross multiply
    663,552,066.20x = 995,328,099.30 × 639,365,595.80
  4. Step 4: Simplify right side
    663,552,066.20x = 636,378,543,225,426,048
  5. Step 5: Solve for x
    x = 636,378,543,225,426,048/663,552,066.20
  6. Step 6: Final answer
    x = 959,048,393.70

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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.