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Finding the Fourth Proportional to 655,448,034.30, 983,172,051.45 and 267,059,141.70

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Solution

The fourth proportional to 655,448,034.30, 983,172,051.45 and 267,059,141.70 is: 400,588,712.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,448,034.30 : 983,172,051.45 = 267,059,141.70 : x
  2. Step 2: Convert to fraction form
    655,448,034.30/983,172,051.45 = 267,059,141.70/x
  3. Step 3: Cross multiply
    655,448,034.30x = 983,172,051.45 × 267,059,141.70
  4. Step 4: Simplify right side
    655,448,034.30x = 262,565,084,203,665,248
  5. Step 5: Solve for x
    x = 262,565,084,203,665,248/655,448,034.30
  6. Step 6: Final answer
    x = 400,588,712.55

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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.