Home / 545,223,429.40-817,835,144.10-327,545,195.80

Finding the Fourth Proportional to 545,223,429.40, 817,835,144.10 and 327,545,195.80

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Solution

The fourth proportional to 545,223,429.40, 817,835,144.10 and 327,545,195.80 is: 491,317,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,223,429.40 : 817,835,144.10 = 327,545,195.80 : x
  2. Step 2: Convert to fraction form
    545,223,429.40/817,835,144.10 = 327,545,195.80/x
  3. Step 3: Cross multiply
    545,223,429.40x = 817,835,144.10 × 327,545,195.80
  4. Step 4: Simplify right side
    545,223,429.40x = 267,877,972,406,355,744
  5. Step 5: Solve for x
    x = 267,877,972,406,355,744/545,223,429.40
  6. Step 6: Final answer
    x = 491,317,793.70

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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.