Home / 284,022,053,040.48-391,950,644,507.28-153,811,918,390.56

Finding the Fourth Proportional to 284,022,053,040.48, 391,950,644,507.28 and 153,811,918,390.56

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Solution

The fourth proportional to 284,022,053,040.48, 391,950,644,507.28 and 153,811,918,390.56 is: 212,260,561,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,022,053,040.48 : 391,950,644,507.28 = 153,811,918,390.56 : x
  2. Step 2: Convert to fraction form
    284,022,053,040.48/391,950,644,507.28 = 153,811,918,390.56/x
  3. Step 3: Cross multiply
    284,022,053,040.48x = 391,950,644,507.28 × 153,811,918,390.56
  4. Step 4: Simplify right side
    284,022,053,040.48x = 60,286,680,546,081,150,861,312
  5. Step 5: Solve for x
    x = 60,286,680,546,081,150,861,312/284,022,053,040.48
  6. Step 6: Final answer
    x = 212,260,561,814.50

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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.