Home / 323,528,769.60-485,293,154.40-179,921,601.60

Finding the Fourth Proportional to 323,528,769.60, 485,293,154.40 and 179,921,601.60

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Solution

The fourth proportional to 323,528,769.60, 485,293,154.40 and 179,921,601.60 is: 269,882,402.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,528,769.60 : 485,293,154.40 = 179,921,601.60 : x
  2. Step 2: Convert to fraction form
    323,528,769.60/485,293,154.40 = 179,921,601.60/x
  3. Step 3: Cross multiply
    323,528,769.60x = 485,293,154.40 × 179,921,601.60
  4. Step 4: Simplify right side
    323,528,769.60x = 87,314,721,585,164,080
  5. Step 5: Solve for x
    x = 87,314,721,585,164,080/323,528,769.60
  6. Step 6: Final answer
    x = 269,882,402.40

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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.