Home / 664,960,025.60-997,534,516.80-204,850,217.60

Finding the Fourth Proportional to 664,960,025.60, 997,534,516.80 and 204,850,217.60

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Solution

The fourth proportional to 664,960,025.60, 997,534,516.80 and 204,850,217.60 is: 307,304,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,960,025.60 : 997,534,516.80 = 204,850,217.60 : x
  2. Step 2: Convert to fraction form
    664,960,025.60/997,534,516.80 = 204,850,217.60/x
  3. Step 3: Cross multiply
    664,960,025.60x = 997,534,516.80 × 204,850,217.60
  4. Step 4: Simplify right side
    664,960,025.60x = 204,345,162,829,990,848
  5. Step 5: Solve for x
    x = 204,345,162,829,990,848/664,960,025.60
  6. Step 6: Final answer
    x = 307,304,431.79

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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.