Home / 688,317,895.75-1,032,782,016.92-360,715,519.97

Finding the Fourth Proportional to 688,317,895.75, 1,032,782,016.92 and 360,715,519.97

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Solution

The fourth proportional to 688,317,895.75, 1,032,782,016.92 and 360,715,519.97 is: 541,233,207.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,317,895.75 : 1,032,782,016.92 = 360,715,519.97 : x
  2. Step 2: Convert to fraction form
    688,317,895.75/1,032,782,016.92 = 360,715,519.97/x
  3. Step 3: Cross multiply
    688,317,895.75x = 1,032,782,016.92 × 360,715,519.97
  4. Step 4: Simplify right side
    688,317,895.75x = 372,540,502,253,682,496
  5. Step 5: Solve for x
    x = 372,540,502,253,682,496/688,317,895.75
  6. Step 6: Final answer
    x = 541,233,207.15

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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.