Home / 284,022,053,041.48-391,950,644,508.66-153,811,918,391.56

Finding the Fourth Proportional to 284,022,053,041.48, 391,950,644,508.66 and 153,811,918,391.56

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Solution

The fourth proportional to 284,022,053,041.48, 391,950,644,508.66 and 153,811,918,391.56 is: 212,260,561,815.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,022,053,041.48 : 391,950,644,508.66 = 153,811,918,391.56 : x
  2. Step 2: Convert to fraction form
    284,022,053,041.48/391,950,644,508.66 = 153,811,918,391.56/x
  3. Step 3: Cross multiply
    284,022,053,041.48x = 391,950,644,508.66 × 153,811,918,391.56
  4. Step 4: Simplify right side
    284,022,053,041.48x = 60,286,680,546,685,348,741,120
  5. Step 5: Solve for x
    x = 60,286,680,546,685,348,741,120/284,022,053,041.48
  6. Step 6: Final answer
    x = 212,260,561,815.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.