Home / 419,906,139.40-629,859,209.10-177,569,043.40

Finding the Fourth Proportional to 419,906,139.40, 629,859,209.10 and 177,569,043.40

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Solution

The fourth proportional to 419,906,139.40, 629,859,209.10 and 177,569,043.40 is: 266,353,565.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,906,139.40 : 629,859,209.10 = 177,569,043.40 : x
  2. Step 2: Convert to fraction form
    419,906,139.40/629,859,209.10 = 177,569,043.40/x
  3. Step 3: Cross multiply
    419,906,139.40x = 629,859,209.10 × 177,569,043.40
  4. Step 4: Simplify right side
    419,906,139.40x = 111,843,497,236,567,584
  5. Step 5: Solve for x
    x = 111,843,497,236,567,584/419,906,139.40
  6. Step 6: Final answer
    x = 266,353,565.10

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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.