Home / 663,552,015.20-995,328,022.80-376,897,551.20

Finding the Fourth Proportional to 663,552,015.20, 995,328,022.80 and 376,897,551.20

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Solution

The fourth proportional to 663,552,015.20, 995,328,022.80 and 376,897,551.20 is: 565,346,326.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,552,015.20 : 995,328,022.80 = 376,897,551.20 : x
  2. Step 2: Convert to fraction form
    663,552,015.20/995,328,022.80 = 376,897,551.20/x
  3. Step 3: Cross multiply
    663,552,015.20x = 995,328,022.80 × 376,897,551.20
  4. Step 4: Simplify right side
    663,552,015.20x = 375,136,694,434,057,728
  5. Step 5: Solve for x
    x = 375,136,694,434,057,728/663,552,015.20
  6. Step 6: Final answer
    x = 565,346,326.80

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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.