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Finding the Fourth Proportional to 949,897,784.52, 1,423,270,757.70 and 672,172,034.76

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Solution

The fourth proportional to 949,897,784.52, 1,423,270,757.70 and 672,172,034.76 is: 1,007,142,891.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,897,784.52 : 1,423,270,757.70 = 672,172,034.76 : x
  2. Step 2: Convert to fraction form
    949,897,784.52/1,423,270,757.70 = 672,172,034.76/x
  3. Step 3: Cross multiply
    949,897,784.52x = 1,423,270,757.70 × 672,172,034.76
  4. Step 4: Simplify right side
    949,897,784.52x = 956,682,801,217,616,000
  5. Step 5: Solve for x
    x = 956,682,801,217,616,000/949,897,784.52
  6. Step 6: Final answer
    x = 1,007,142,891.38

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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.