Home / 19,879,463,254.38-29,818,998,373.50-9,107,689,144.83

Finding the Fourth Proportional to 19,879,463,254.38, 29,818,998,373.50 and 9,107,689,144.83

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Solution

The fourth proportional to 19,879,463,254.38, 29,818,998,373.50 and 9,107,689,144.83 is: 13,661,443,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,879,463,254.38 : 29,818,998,373.50 = 9,107,689,144.83 : x
  2. Step 2: Convert to fraction form
    19,879,463,254.38/29,818,998,373.50 = 9,107,689,144.83/x
  3. Step 3: Cross multiply
    19,879,463,254.38x = 29,818,998,373.50 × 9,107,689,144.83
  4. Step 4: Simplify right side
    19,879,463,254.38x = 271,582,167,796,029,358,080
  5. Step 5: Solve for x
    x = 271,582,167,796,029,358,080/19,879,463,254.38
  6. Step 6: Final answer
    x = 13,661,443,687.93

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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.