Home / 5,251,060,011.63-7,876,603,358.83-2,145,642,654.49

Finding the Fourth Proportional to 5,251,060,011.63, 7,876,603,358.83 and 2,145,642,654.49

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Solution

The fourth proportional to 5,251,060,011.63, 7,876,603,358.83 and 2,145,642,654.49 is: 3,218,469,433.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251,060,011.63 : 7,876,603,358.83 = 2,145,642,654.49 : x
  2. Step 2: Convert to fraction form
    5,251,060,011.63/7,876,603,358.83 = 2,145,642,654.49/x
  3. Step 3: Cross multiply
    5,251,060,011.63x = 7,876,603,358.83 × 2,145,642,654.49
  4. Step 4: Simplify right side
    5,251,060,011.63x = 16,900,376,139,176,079,360
  5. Step 5: Solve for x
    x = 16,900,376,139,176,079,360/5,251,060,011.63
  6. Step 6: Final answer
    x = 3,218,469,433.17

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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.