Home / 287,459,882,167.20-396,668,015,754.94-158,998,565,937.10

Finding the Fourth Proportional to 287,459,882,167.20, 396,668,015,754.94 and 158,998,565,937.10

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Solution

The fourth proportional to 287,459,882,167.20, 396,668,015,754.94 and 158,998,565,937.10 is: 219,403,296,149.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,459,882,167.20 : 396,668,015,754.94 = 158,998,565,937.10 : x
  2. Step 2: Convert to fraction form
    287,459,882,167.20/396,668,015,754.94 = 158,998,565,937.10/x
  3. Step 3: Cross multiply
    287,459,882,167.20x = 396,668,015,754.94 × 158,998,565,937.10
  4. Step 4: Simplify right side
    287,459,882,167.20x = 63,069,645,658,150,454,427,648
  5. Step 5: Solve for x
    x = 63,069,645,658,150,454,427,648/287,459,882,167.20
  6. Step 6: Final answer
    x = 219,403,296,149.22

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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.