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Finding the Fourth Proportional to 882,579,791.80, 1,323,869,687.70 and 576,469,775.80

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Solution

The fourth proportional to 882,579,791.80, 1,323,869,687.70 and 576,469,775.80 is: 864,704,663.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,579,791.80 : 1,323,869,687.70 = 576,469,775.80 : x
  2. Step 2: Convert to fraction form
    882,579,791.80/1,323,869,687.70 = 576,469,775.80/x
  3. Step 3: Cross multiply
    882,579,791.80x = 1,323,869,687.70 × 576,469,775.80
  4. Step 4: Simplify right side
    882,579,791.80x = 763,170,862,056,834,944
  5. Step 5: Solve for x
    x = 763,170,862,056,834,944/882,579,791.80
  6. Step 6: Final answer
    x = 864,704,663.70

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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.