Home / 629,857,115.20-944,785,672.80-514,971,380.80

Finding the Fourth Proportional to 629,857,115.20, 944,785,672.80 and 514,971,380.80

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Solution

The fourth proportional to 629,857,115.20, 944,785,672.80 and 514,971,380.80 is: 772,457,071.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,857,115.20 : 944,785,672.80 = 514,971,380.80 : x
  2. Step 2: Convert to fraction form
    629,857,115.20/944,785,672.80 = 514,971,380.80/x
  3. Step 3: Cross multiply
    629,857,115.20x = 944,785,672.80 × 514,971,380.80
  4. Step 4: Simplify right side
    629,857,115.20x = 486,537,582,481,872,960
  5. Step 5: Solve for x
    x = 486,537,582,481,872,960/629,857,115.20
  6. Step 6: Final answer
    x = 772,457,071.20

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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.