Home / 465,479,596.65-698,389,648.27-216,603,549.95

Finding the Fourth Proportional to 465,479,596.65, 698,389,648.27 and 216,603,549.95

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Solution

The fourth proportional to 465,479,596.65, 698,389,648.27 and 216,603,549.95 is: 324,984,549.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,479,596.65 : 698,389,648.27 = 216,603,549.95 : x
  2. Step 2: Convert to fraction form
    465,479,596.65/698,389,648.27 = 216,603,549.95/x
  3. Step 3: Cross multiply
    465,479,596.65x = 698,389,648.27 × 216,603,549.95
  4. Step 4: Simplify right side
    465,479,596.65x = 151,273,677,059,580,416
  5. Step 5: Solve for x
    x = 151,273,677,059,580,416/465,479,596.65
  6. Step 6: Final answer
    x = 324,984,549.59

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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.