Home / 12,998,757,869.46-19,484,528,227.20-5,439,873,387.19

Finding the Fourth Proportional to 12,998,757,869.46, 19,484,528,227.20 and 5,439,873,387.19

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Solution

The fourth proportional to 12,998,757,869.46, 19,484,528,227.20 and 5,439,873,387.19 is: 8,154,115,003.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,998,757,869.46 : 19,484,528,227.20 = 5,439,873,387.19 : x
  2. Step 2: Convert to fraction form
    12,998,757,869.46/19,484,528,227.20 = 5,439,873,387.19/x
  3. Step 3: Cross multiply
    12,998,757,869.46x = 19,484,528,227.20 × 5,439,873,387.19
  4. Step 4: Simplify right side
    12,998,757,869.46x = 105,993,366,565,191,172,096
  5. Step 5: Solve for x
    x = 105,993,366,565,191,172,096/12,998,757,869.46
  6. Step 6: Final answer
    x = 8,154,115,003.11

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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.