Home / 885,694,489.20-1,328,541,733.80-230,644,249.20

Finding the Fourth Proportional to 885,694,489.20, 1,328,541,733.80 and 230,644,249.20

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Solution

The fourth proportional to 885,694,489.20, 1,328,541,733.80 and 230,644,249.20 is: 345,966,373.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,694,489.20 : 1,328,541,733.80 = 230,644,249.20 : x
  2. Step 2: Convert to fraction form
    885,694,489.20/1,328,541,733.80 = 230,644,249.20/x
  3. Step 3: Cross multiply
    885,694,489.20x = 1,328,541,733.80 × 230,644,249.20
  4. Step 4: Simplify right side
    885,694,489.20x = 306,420,510,723,167,232
  5. Step 5: Solve for x
    x = 306,420,510,723,167,232/885,694,489.20
  6. Step 6: Final answer
    x = 345,966,373.80

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1.5x scale

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.