Home / 725,309,714.51-1,000,930,795.60-412,061,117.28

Finding the Fourth Proportional to 725,309,714.51, 1,000,930,795.60 and 412,061,117.28

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Solution

The fourth proportional to 725,309,714.51, 1,000,930,795.60 and 412,061,117.28 is: 568,646,267.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,309,714.51 : 1,000,930,795.60 = 412,061,117.28 : x
  2. Step 2: Convert to fraction form
    725,309,714.51/1,000,930,795.60 = 412,061,117.28/x
  3. Step 3: Cross multiply
    725,309,714.51x = 1,000,930,795.60 × 412,061,117.28
  4. Step 4: Simplify right side
    725,309,714.51x = 412,444,661,954,895,296
  5. Step 5: Solve for x
    x = 412,444,661,954,895,296/725,309,714.51
  6. Step 6: Final answer
    x = 568,646,267.52

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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.