Home / 619,005,449.36-854,227,514.76-340,540,996.88

Finding the Fourth Proportional to 619,005,449.36, 854,227,514.76 and 340,540,996.88

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Solution

The fourth proportional to 619,005,449.36, 854,227,514.76 and 340,540,996.88 is: 469,946,572.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,005,449.36 : 854,227,514.76 = 340,540,996.88 : x
  2. Step 2: Convert to fraction form
    619,005,449.36/854,227,514.76 = 340,540,996.88/x
  3. Step 3: Cross multiply
    619,005,449.36x = 854,227,514.76 × 340,540,996.88
  4. Step 4: Simplify right side
    619,005,449.36x = 290,899,489,438,695,296
  5. Step 5: Solve for x
    x = 290,899,489,438,695,296/619,005,449.36
  6. Step 6: Final answer
    x = 469,946,572.75

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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.