Home / 612,920,456.20-845,848,174.62-334,479,926.80

Finding the Fourth Proportional to 612,920,456.20, 845,848,174.62 and 334,479,926.80

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Solution

The fourth proportional to 612,920,456.20, 845,848,174.62 and 334,479,926.80 is: 461,592,091.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,920,456.20 : 845,848,174.62 = 334,479,926.80 : x
  2. Step 2: Convert to fraction form
    612,920,456.20/845,848,174.62 = 334,479,926.80/x
  3. Step 3: Cross multiply
    612,920,456.20x = 845,848,174.62 × 334,479,926.80
  4. Step 4: Simplify right side
    612,920,456.20x = 282,919,235,530,811,232
  5. Step 5: Solve for x
    x = 282,919,235,530,811,232/612,920,456.20
  6. Step 6: Final answer
    x = 461,592,091.88

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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.