Home / 288,825,454.62-398,576,770.47-156,666,118.68

Finding the Fourth Proportional to 288,825,454.62, 398,576,770.47 and 156,666,118.68

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Solution

The fourth proportional to 288,825,454.62, 398,576,770.47 and 156,666,118.68 is: 216,197,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,825,454.62 : 398,576,770.47 = 156,666,118.68 : x
  2. Step 2: Convert to fraction form
    288,825,454.62/398,576,770.47 = 156,666,118.68/x
  3. Step 3: Cross multiply
    288,825,454.62x = 398,576,770.47 × 156,666,118.68
  4. Step 4: Simplify right side
    288,825,454.62x = 62,443,475,625,544,144
  5. Step 5: Solve for x
    x = 62,443,475,625,544,144/288,825,454.62
  6. Step 6: Final answer
    x = 216,197,965.33

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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.