Home / 327,776,671.60-491,665,007.40-312,660,127.60

Finding the Fourth Proportional to 327,776,671.60, 491,665,007.40 and 312,660,127.60

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Solution

The fourth proportional to 327,776,671.60, 491,665,007.40 and 312,660,127.60 is: 468,990,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,776,671.60 : 491,665,007.40 = 312,660,127.60 : x
  2. Step 2: Convert to fraction form
    327,776,671.60/491,665,007.40 = 312,660,127.60/x
  3. Step 3: Cross multiply
    327,776,671.60x = 491,665,007.40 × 312,660,127.60
  4. Step 4: Simplify right side
    327,776,671.60x = 153,724,043,950,138,944
  5. Step 5: Solve for x
    x = 153,724,043,950,138,944/327,776,671.60
  6. Step 6: Final answer
    x = 468,990,191.40

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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.