Home / 284,458,870,169.47-426,517,907,659.82-90,538,170,642.87

Finding the Fourth Proportional to 284,458,870,169.47, 426,517,907,659.82 and 90,538,170,642.87

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Solution

The fourth proportional to 284,458,870,169.47, 426,517,907,659.82 and 90,538,170,642.87 is: 135,753,021,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,458,870,169.47 : 426,517,907,659.82 = 90,538,170,642.87 : x
  2. Step 2: Convert to fraction form
    284,458,870,169.47/426,517,907,659.82 = 90,538,170,642.87/x
  3. Step 3: Cross multiply
    284,458,870,169.47x = 426,517,907,659.82 × 90,538,170,642.87
  4. Step 4: Simplify right side
    284,458,870,169.47x = 38,616,151,105,944,655,233,024
  5. Step 5: Solve for x
    x = 38,616,151,105,944,655,233,024/284,458,870,169.47
  6. Step 6: Final answer
    x = 135,753,021,457.68

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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.