Home / 871,321,081.38-1,307,367,581.07-456,699,366

Finding the Fourth Proportional to 871,321,081.38, 1,307,367,581.07 and 456,699,366

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Solution

The fourth proportional to 871,321,081.38, 1,307,367,581.07 and 456,699,366 is: 685,251,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,321,081.38 : 1,307,367,581.07 = 456,699,366 : x
  2. Step 2: Convert to fraction form
    871,321,081.38/1,307,367,581.07 = 456,699,366/x
  3. Step 3: Cross multiply
    871,321,081.38x = 1,307,367,581.07 × 456,699,366
  4. Step 4: Simplify right side
    871,321,081.38x = 597,073,945,403,622,528
  5. Step 5: Solve for x
    x = 597,073,945,403,622,528/871,321,081.38
  6. Step 6: Final answer
    x = 685,251,347.82

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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.