Home / 19,879,463,253.38-29,818,998,372-9,107,689,143.83

Finding the Fourth Proportional to 19,879,463,253.38, 29,818,998,372 and 9,107,689,143.83

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Solution

The fourth proportional to 19,879,463,253.38, 29,818,998,372 and 9,107,689,143.83 is: 13,661,443,686.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,463,253.38 : 29,818,998,372 = 9,107,689,143.83 : x
  2. Step 2: Convert to fraction form
    19,879,463,253.38/29,818,998,372 = 9,107,689,143.83/x
  3. Step 3: Cross multiply
    19,879,463,253.38x = 29,818,998,372 × 9,107,689,143.83
  4. Step 4: Simplify right side
    19,879,463,253.38x = 271,582,167,752,399,781,888
  5. Step 5: Solve for x
    x = 271,582,167,752,399,781,888/19,879,463,253.38
  6. Step 6: Final answer
    x = 13,661,443,686.43

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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.