Home / 287,459,882,169.52-396,668,015,758.20-158,998,565,939.44

Finding the Fourth Proportional to 287,459,882,169.52, 396,668,015,758.20 and 158,998,565,939.44

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Solution

The fourth proportional to 287,459,882,169.52, 396,668,015,758.20 and 158,998,565,939.44 is: 219,403,296,152.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,459,882,169.52 : 396,668,015,758.20 = 158,998,565,939.44 : x
  2. Step 2: Convert to fraction form
    287,459,882,169.52/396,668,015,758.20 = 158,998,565,939.44/x
  3. Step 3: Cross multiply
    287,459,882,169.52x = 396,668,015,758.20 × 158,998,565,939.44
  4. Step 4: Simplify right side
    287,459,882,169.52x = 63,069,645,659,596,994,379,776
  5. Step 5: Solve for x
    x = 63,069,645,659,596,994,379,776/287,459,882,169.52
  6. Step 6: Final answer
    x = 219,403,296,152.48

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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.