Home / 327,776,665.60-491,664,998.40-312,660,121.60

Finding the Fourth Proportional to 327,776,665.60, 491,664,998.40 and 312,660,121.60

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Solution

The fourth proportional to 327,776,665.60, 491,664,998.40 and 312,660,121.60 is: 468,990,182.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,776,665.60 : 491,664,998.40 = 312,660,121.60 : x
  2. Step 2: Convert to fraction form
    327,776,665.60/491,664,998.40 = 312,660,121.60/x
  3. Step 3: Cross multiply
    327,776,665.60x = 491,664,998.40 × 312,660,121.60
  4. Step 4: Simplify right side
    327,776,665.60x = 153,724,038,186,207,808
  5. Step 5: Solve for x
    x = 153,724,038,186,207,808/327,776,665.60
  6. Step 6: Final answer
    x = 468,990,182.40

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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.