Home / 612,920,456.70-845,848,175.31-334,479,927.30

Finding the Fourth Proportional to 612,920,456.70, 845,848,175.31 and 334,479,927.30

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Solution

The fourth proportional to 612,920,456.70, 845,848,175.31 and 334,479,927.30 is: 461,592,092.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,920,456.70 : 845,848,175.31 = 334,479,927.30 : x
  2. Step 2: Convert to fraction form
    612,920,456.70/845,848,175.31 = 334,479,927.30/x
  3. Step 3: Cross multiply
    612,920,456.70x = 845,848,175.31 × 334,479,927.30
  4. Step 4: Simplify right side
    612,920,456.70x = 282,919,236,184,526,432
  5. Step 5: Solve for x
    x = 282,919,236,184,526,432/612,920,456.70
  6. Step 6: Final answer
    x = 461,592,092.57

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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.