Home / 419,906,145.40-629,859,218.10-177,569,049.40

Finding the Fourth Proportional to 419,906,145.40, 629,859,218.10 and 177,569,049.40

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Solution

The fourth proportional to 419,906,145.40, 629,859,218.10 and 177,569,049.40 is: 266,353,574.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,145.40 : 629,859,218.10 = 177,569,049.40 : x
  2. Step 2: Convert to fraction form
    419,906,145.40/629,859,218.10 = 177,569,049.40/x
  3. Step 3: Cross multiply
    419,906,145.40x = 629,859,218.10 × 177,569,049.40
  4. Step 4: Simplify right side
    419,906,145.40x = 111,843,502,613,844,288
  5. Step 5: Solve for x
    x = 111,843,502,613,844,288/419,906,145.40
  6. Step 6: Final answer
    x = 266,353,574.10

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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.