Home / 825,937,472.80-1,239,092,858.76-273,238,595.92

Finding the Fourth Proportional to 825,937,472.80, 1,239,092,858.76 and 273,238,595.92

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Solution

The fourth proportional to 825,937,472.80, 1,239,092,858.76 and 273,238,595.92 is: 409,919,641.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,937,472.80 : 1,239,092,858.76 = 273,238,595.92 : x
  2. Step 2: Convert to fraction form
    825,937,472.80/1,239,092,858.76 = 273,238,595.92/x
  3. Step 3: Cross multiply
    825,937,472.80x = 1,239,092,858.76 × 273,238,595.92
  4. Step 4: Simplify right side
    825,937,472.80x = 338,567,992,942,081,280
  5. Step 5: Solve for x
    x = 338,567,992,942,081,280/825,937,472.80
  6. Step 6: Final answer
    x = 409,919,641.73

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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.