Home / 1,023,912,121.52-1,535,936,286.98-359,845,826.56

Finding the Fourth Proportional to 1,023,912,121.52, 1,535,936,286.98 and 359,845,826.56

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Solution

The fourth proportional to 1,023,912,121.52, 1,535,936,286.98 and 359,845,826.56 is: 539,792,674.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,912,121.52 : 1,535,936,286.98 = 359,845,826.56 : x
  2. Step 2: Convert to fraction form
    1,023,912,121.52/1,535,936,286.98 = 359,845,826.56/x
  3. Step 3: Cross multiply
    1,023,912,121.52x = 1,535,936,286.98 × 359,845,826.56
  4. Step 4: Simplify right side
    1,023,912,121.52x = 552,700,262,733,267,520
  5. Step 5: Solve for x
    x = 552,700,262,733,267,520/1,023,912,121.52
  6. Step 6: Final answer
    x = 539,792,674.70

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Double scale
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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.