Home / 1,340,712,958.72-2,011,358,900.49-408,108,733.54

Finding the Fourth Proportional to 1,340,712,958.72, 2,011,358,900.49 and 408,108,733.54

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Solution

The fourth proportional to 1,340,712,958.72, 2,011,358,900.49 and 408,108,733.54 is: 612,251,211.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,712,958.72 : 2,011,358,900.49 = 408,108,733.54 : x
  2. Step 2: Convert to fraction form
    1,340,712,958.72/2,011,358,900.49 = 408,108,733.54/x
  3. Step 3: Cross multiply
    1,340,712,958.72x = 2,011,358,900.49 × 408,108,733.54
  4. Step 4: Simplify right side
    1,340,712,958.72x = 820,853,133,573,380,864
  5. Step 5: Solve for x
    x = 820,853,133,573,380,864/1,340,712,958.72
  6. Step 6: Final answer
    x = 612,251,211.74

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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.