Home / 314,929,559.70-472,394,339.55-217,679,793.30

Finding the Fourth Proportional to 314,929,559.70, 472,394,339.55 and 217,679,793.30

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Solution

The fourth proportional to 314,929,559.70, 472,394,339.55 and 217,679,793.30 is: 326,519,689.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,559.70 : 472,394,339.55 = 217,679,793.30 : x
  2. Step 2: Convert to fraction form
    314,929,559.70/472,394,339.55 = 217,679,793.30/x
  3. Step 3: Cross multiply
    314,929,559.70x = 472,394,339.55 × 217,679,793.30
  4. Step 4: Simplify right side
    314,929,559.70x = 102,830,702,189,334,016
  5. Step 5: Solve for x
    x = 102,830,702,189,334,016/314,929,559.70
  6. Step 6: Final answer
    x = 326,519,689.95

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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.