Home / 543,108,714.30-815,189,198.04-513,613,738.80

Finding the Fourth Proportional to 543,108,714.30, 815,189,198.04 and 513,613,738.80

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Solution

The fourth proportional to 543,108,714.30, 815,189,198.04 and 513,613,738.80 is: 770,918,162.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,108,714.30 : 815,189,198.04 = 513,613,738.80 : x
  2. Step 2: Convert to fraction form
    543,108,714.30/815,189,198.04 = 513,613,738.80/x
  3. Step 3: Cross multiply
    543,108,714.30x = 815,189,198.04 × 513,613,738.80
  4. Step 4: Simplify right side
    543,108,714.30x = 418,692,371,834,698,048
  5. Step 5: Solve for x
    x = 418,692,371,834,698,048/543,108,714.30
  6. Step 6: Final answer
    x = 770,918,162.07

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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.