Home / 457,350,601.48-686,040,703.69-217,723,480.92

Finding the Fourth Proportional to 457,350,601.48, 686,040,703.69 and 217,723,480.92

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Solution

The fourth proportional to 457,350,601.48, 686,040,703.69 and 217,723,480.92 is: 326,592,267.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,350,601.48 : 686,040,703.69 = 217,723,480.92 : x
  2. Step 2: Convert to fraction form
    457,350,601.48/686,040,703.69 = 217,723,480.92/x
  3. Step 3: Cross multiply
    457,350,601.48x = 686,040,703.69 × 217,723,480.92
  4. Step 4: Simplify right side
    457,350,601.48x = 149,367,170,060,193,088
  5. Step 5: Solve for x
    x = 149,367,170,060,193,088/457,350,601.48
  6. Step 6: Final answer
    x = 326,592,267.68

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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.