Home / 885,787,221.60-1,328,680,832.40-368,045,589.60

Finding the Fourth Proportional to 885,787,221.60, 1,328,680,832.40 and 368,045,589.60

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Solution

The fourth proportional to 885,787,221.60, 1,328,680,832.40 and 368,045,589.60 is: 552,068,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,787,221.60 : 1,328,680,832.40 = 368,045,589.60 : x
  2. Step 2: Convert to fraction form
    885,787,221.60/1,328,680,832.40 = 368,045,589.60/x
  3. Step 3: Cross multiply
    885,787,221.60x = 1,328,680,832.40 × 368,045,589.60
  4. Step 4: Simplify right side
    885,787,221.60x = 489,015,120,350,876,864
  5. Step 5: Solve for x
    x = 489,015,120,350,876,864/885,787,221.60
  6. Step 6: Final answer
    x = 552,068,384.40

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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.