Home / 609,005,166.72-840,425,002.56-330,546,675.84

Finding the Fourth Proportional to 609,005,166.72, 840,425,002.56 and 330,546,675.84

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Solution

The fourth proportional to 609,005,166.72, 840,425,002.56 and 330,546,675.84 is: 456,153,257.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,005,166.72 : 840,425,002.56 = 330,546,675.84 : x
  2. Step 2: Convert to fraction form
    609,005,166.72/840,425,002.56 = 330,546,675.84/x
  3. Step 3: Cross multiply
    609,005,166.72x = 840,425,002.56 × 330,546,675.84
  4. Step 4: Simplify right side
    609,005,166.72x = 277,799,690,889,031,456
  5. Step 5: Solve for x
    x = 277,799,690,889,031,456/609,005,166.72
  6. Step 6: Final answer
    x = 456,153,257.92

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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.