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Finding the Fourth Proportional to 880,668,602.70, 1,321,002,904.05 and 267,251,844.30

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Solution

The fourth proportional to 880,668,602.70, 1,321,002,904.05 and 267,251,844.30 is: 400,877,766.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,668,602.70 : 1,321,002,904.05 = 267,251,844.30 : x
  2. Step 2: Convert to fraction form
    880,668,602.70/1,321,002,904.05 = 267,251,844.30/x
  3. Step 3: Cross multiply
    880,668,602.70x = 1,321,002,904.05 × 267,251,844.30
  4. Step 4: Simplify right side
    880,668,602.70x = 353,040,462,433,018,432
  5. Step 5: Solve for x
    x = 353,040,462,433,018,432/880,668,602.70
  6. Step 6: Final answer
    x = 400,877,766.45

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1.5x scale

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.