Home / 629,857,009.70-944,785,514.55-530,087,819.30

Finding the Fourth Proportional to 629,857,009.70, 944,785,514.55 and 530,087,819.30

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Solution

The fourth proportional to 629,857,009.70, 944,785,514.55 and 530,087,819.30 is: 795,131,728.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,009.70 : 944,785,514.55 = 530,087,819.30 : x
  2. Step 2: Convert to fraction form
    629,857,009.70/944,785,514.55 = 530,087,819.30/x
  3. Step 3: Cross multiply
    629,857,009.70x = 944,785,514.55 × 530,087,819.30
  4. Step 4: Simplify right side
    629,857,009.70x = 500,819,293,114,037,888
  5. Step 5: Solve for x
    x = 500,819,293,114,037,888/629,857,009.70
  6. Step 6: Final answer
    x = 795,131,728.95

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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.