Home / 327,217,209.40-490,825,814.10-84,880,113.40

Finding the Fourth Proportional to 327,217,209.40, 490,825,814.10 and 84,880,113.40

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Solution

The fourth proportional to 327,217,209.40, 490,825,814.10 and 84,880,113.40 is: 127,320,170.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,217,209.40 : 490,825,814.10 = 84,880,113.40 : x
  2. Step 2: Convert to fraction form
    327,217,209.40/490,825,814.10 = 84,880,113.40/x
  3. Step 3: Cross multiply
    327,217,209.40x = 490,825,814.10 × 84,880,113.40
  4. Step 4: Simplify right side
    327,217,209.40x = 41,661,350,760,455,320
  5. Step 5: Solve for x
    x = 41,661,350,760,455,320/327,217,209.40
  6. Step 6: Final answer
    x = 127,320,170.10

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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.