Home / 1,247,595,665.85-1,871,393,498.78-327,565,006.65

Finding the Fourth Proportional to 1,247,595,665.85, 1,871,393,498.78 and 327,565,006.65

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Solution

The fourth proportional to 1,247,595,665.85, 1,871,393,498.78 and 327,565,006.65 is: 491,347,509.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,595,665.85 : 1,871,393,498.78 = 327,565,006.65 : x
  2. Step 2: Convert to fraction form
    1,247,595,665.85/1,871,393,498.78 = 327,565,006.65/x
  3. Step 3: Cross multiply
    1,247,595,665.85x = 1,871,393,498.78 × 327,565,006.65
  4. Step 4: Simplify right side
    1,247,595,665.85x = 613,003,023,870,999,680
  5. Step 5: Solve for x
    x = 613,003,023,870,999,680/1,247,595,665.85
  6. Step 6: Final answer
    x = 491,347,509.98

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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.