Home / 725,309,720.66-1,000,930,804.13-412,061,123.43

Finding the Fourth Proportional to 725,309,720.66, 1,000,930,804.13 and 412,061,123.43

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Solution

The fourth proportional to 725,309,720.66, 1,000,930,804.13 and 412,061,123.43 is: 568,646,276.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,720.66 : 1,000,930,804.13 = 412,061,123.43 : x
  2. Step 2: Convert to fraction form
    725,309,720.66/1,000,930,804.13 = 412,061,123.43/x
  3. Step 3: Cross multiply
    725,309,720.66x = 1,000,930,804.13 × 412,061,123.43
  4. Step 4: Simplify right side
    725,309,720.66x = 412,444,671,626,531,264
  5. Step 5: Solve for x
    x = 412,444,671,626,531,264/725,309,720.66
  6. Step 6: Final answer
    x = 568,646,276.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.