Home / 682,726,266.53-1,023,973,892.88-191,326,439.88

Finding the Fourth Proportional to 682,726,266.53, 1,023,973,892.88 and 191,326,439.88

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Solution

The fourth proportional to 682,726,266.53, 1,023,973,892.88 and 191,326,439.88 is: 286,957,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,726,266.53 : 1,023,973,892.88 = 191,326,439.88 : x
  2. Step 2: Convert to fraction form
    682,726,266.53/1,023,973,892.88 = 191,326,439.88/x
  3. Step 3: Cross multiply
    682,726,266.53x = 1,023,973,892.88 × 191,326,439.88
  4. Step 4: Simplify right side
    682,726,266.53x = 195,913,279,454,794,880
  5. Step 5: Solve for x
    x = 195,913,279,454,794,880/682,726,266.53
  6. Step 6: Final answer
    x = 286,957,290.29

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.