Home / 547,250,680.80-821,015,989.20-386,007,544.80

Finding the Fourth Proportional to 547,250,680.80, 821,015,989.20 and 386,007,544.80

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Solution

The fourth proportional to 547,250,680.80, 821,015,989.20 and 386,007,544.80 is: 579,110,044.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,250,680.80 : 821,015,989.20 = 386,007,544.80 : x
  2. Step 2: Convert to fraction form
    547,250,680.80/821,015,989.20 = 386,007,544.80/x
  3. Step 3: Cross multiply
    547,250,680.80x = 821,015,989.20 × 386,007,544.80
  4. Step 4: Simplify right side
    547,250,680.80x = 316,918,366,232,635,328
  5. Step 5: Solve for x
    x = 316,918,366,232,635,328/547,250,680.80
  6. Step 6: Final answer
    x = 579,110,044.72

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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.