Home / 19,879,463,253.13-29,818,998,371.62-9,107,689,143.58

Finding the Fourth Proportional to 19,879,463,253.13, 29,818,998,371.62 and 9,107,689,143.58

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Solution

The fourth proportional to 19,879,463,253.13, 29,818,998,371.62 and 9,107,689,143.58 is: 13,661,443,686.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,463,253.13 : 29,818,998,371.62 = 9,107,689,143.58 : x
  2. Step 2: Convert to fraction form
    19,879,463,253.13/29,818,998,371.62 = 9,107,689,143.58/x
  3. Step 3: Cross multiply
    19,879,463,253.13x = 29,818,998,371.62 × 9,107,689,143.58
  4. Step 4: Simplify right side
    19,879,463,253.13x = 271,582,167,741,614,948,352
  5. Step 5: Solve for x
    x = 271,582,167,741,614,948,352/19,879,463,253.13
  6. Step 6: Final answer
    x = 13,661,443,686.06

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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.