Home / 579,136,948.12-799,203,310.54-314,803,213.88

Finding the Fourth Proportional to 579,136,948.12, 799,203,310.54 and 314,803,213.88

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Solution

The fourth proportional to 579,136,948.12, 799,203,310.54 and 314,803,213.88 is: 434,425,348.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,136,948.12 : 799,203,310.54 = 314,803,213.88 : x
  2. Step 2: Convert to fraction form
    579,136,948.12/799,203,310.54 = 314,803,213.88/x
  3. Step 3: Cross multiply
    579,136,948.12x = 799,203,310.54 × 314,803,213.88
  4. Step 4: Simplify right side
    579,136,948.12x = 251,591,770,701,229,888
  5. Step 5: Solve for x
    x = 251,591,770,701,229,888/579,136,948.12
  6. Step 6: Final answer
    x = 434,425,348.82

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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.