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Finding the Fourth Proportional to 272,053,256.20, 408,079,884.30 and 272,053,256.20

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Solution

The fourth proportional to 272,053,256.20, 408,079,884.30 and 272,053,256.20 is: 408,079,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,053,256.20 : 408,079,884.30 = 272,053,256.20 : x
  2. Step 2: Convert to fraction form
    272,053,256.20/408,079,884.30 = 272,053,256.20/x
  3. Step 3: Cross multiply
    272,053,256.20x = 408,079,884.30 × 272,053,256.20
  4. Step 4: Simplify right side
    272,053,256.20x = 111,019,461,313,534,256
  5. Step 5: Solve for x
    x = 111,019,461,313,534,256/272,053,256.20
  6. Step 6: Final answer
    x = 408,079,884.30

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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.