Home / 419,906,005.40-629,859,008.10-177,568,909.40

Finding the Fourth Proportional to 419,906,005.40, 629,859,008.10 and 177,568,909.40

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Solution

The fourth proportional to 419,906,005.40, 629,859,008.10 and 177,568,909.40 is: 266,353,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,005.40 : 629,859,008.10 = 177,568,909.40 : x
  2. Step 2: Convert to fraction form
    419,906,005.40/629,859,008.10 = 177,568,909.40/x
  3. Step 3: Cross multiply
    419,906,005.40x = 629,859,008.10 × 177,568,909.40
  4. Step 4: Simplify right side
    419,906,005.40x = 111,843,377,144,082,768
  5. Step 5: Solve for x
    x = 111,843,377,144,082,768/419,906,005.40
  6. Step 6: Final answer
    x = 266,353,364.10

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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.