Home / 620,369,447.76-856,107,250.92-341,910,306.72

Finding the Fourth Proportional to 620,369,447.76, 856,107,250.92 and 341,910,306.72

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Solution

The fourth proportional to 620,369,447.76, 856,107,250.92 and 341,910,306.72 is: 471,834,797.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,369,447.76 : 856,107,250.92 = 341,910,306.72 : x
  2. Step 2: Convert to fraction form
    620,369,447.76/856,107,250.92 = 341,910,306.72/x
  3. Step 3: Cross multiply
    620,369,447.76x = 856,107,250.92 × 341,910,306.72
  4. Step 4: Simplify right side
    620,369,447.76x = 292,711,892,747,273,216
  5. Step 5: Solve for x
    x = 292,711,892,747,273,216/620,369,447.76
  6. Step 6: Final answer
    x = 471,834,797.48

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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.