Home / 503,469,492.48-694,799,781.12-280,466,179.20

Finding the Fourth Proportional to 503,469,492.48, 694,799,781.12 and 280,466,179.20

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Solution

The fourth proportional to 503,469,492.48, 694,799,781.12 and 280,466,179.20 is: 387,049,946.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,469,492.48 : 694,799,781.12 = 280,466,179.20 : x
  2. Step 2: Convert to fraction form
    503,469,492.48/694,799,781.12 = 280,466,179.20/x
  3. Step 3: Cross multiply
    503,469,492.48x = 694,799,781.12 × 280,466,179.20
  4. Step 4: Simplify right side
    503,469,492.48x = 194,867,839,919,722,688
  5. Step 5: Solve for x
    x = 194,867,839,919,722,688/503,469,492.48
  6. Step 6: Final answer
    x = 387,049,946.08

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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.