Home / 278,351,974,813.38-417,357,087,552.45-108,172,858,525.29

Finding the Fourth Proportional to 278,351,974,813.38, 417,357,087,552.45 and 108,172,858,525.29

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Solution

The fourth proportional to 278,351,974,813.38, 417,357,087,552.45 and 108,172,858,525.29 is: 162,192,882,650.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,351,974,813.38 : 417,357,087,552.45 = 108,172,858,525.29 : x
  2. Step 2: Convert to fraction form
    278,351,974,813.38/417,357,087,552.45 = 108,172,858,525.29/x
  3. Step 3: Cross multiply
    278,351,974,813.38x = 417,357,087,552.45 × 108,172,858,525.29
  4. Step 4: Simplify right side
    278,351,974,813.38x = 45,146,709,186,338,248,196,096
  5. Step 5: Solve for x
    x = 45,146,709,186,338,248,196,096/278,351,974,813.38
  6. Step 6: Final answer
    x = 162,192,882,650.13

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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.