Home / 276,696,952.40-415,045,428.60-199,212,854.60

Finding the Fourth Proportional to 276,696,952.40, 415,045,428.60 and 199,212,854.60

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Solution

The fourth proportional to 276,696,952.40, 415,045,428.60 and 199,212,854.60 is: 298,819,281.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,696,952.40 : 415,045,428.60 = 199,212,854.60 : x
  2. Step 2: Convert to fraction form
    276,696,952.40/415,045,428.60 = 199,212,854.60/x
  3. Step 3: Cross multiply
    276,696,952.40x = 415,045,428.60 × 199,212,854.60
  4. Step 4: Simplify right side
    276,696,952.40x = 82,682,384,620,086,480
  5. Step 5: Solve for x
    x = 82,682,384,620,086,480/276,696,952.40
  6. Step 6: Final answer
    x = 298,819,281.90

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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.