Home / 664,031,710.60-996,047,565.90-203,969,141.80

Finding the Fourth Proportional to 664,031,710.60, 996,047,565.90 and 203,969,141.80

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Solution

The fourth proportional to 664,031,710.60, 996,047,565.90 and 203,969,141.80 is: 305,953,712.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,031,710.60 : 996,047,565.90 = 203,969,141.80 : x
  2. Step 2: Convert to fraction form
    664,031,710.60/996,047,565.90 = 203,969,141.80/x
  3. Step 3: Cross multiply
    664,031,710.60x = 996,047,565.90 × 203,969,141.80
  4. Step 4: Simplify right side
    664,031,710.60x = 203,162,967,208,601,952
  5. Step 5: Solve for x
    x = 203,162,967,208,601,952/664,031,710.60
  6. Step 6: Final answer
    x = 305,953,712.70

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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.