Home / 3,939,811,154.55-5,436,899,082.50-2,179,691,159.67

Finding the Fourth Proportional to 3,939,811,154.55, 5,436,899,082.50 and 2,179,691,159.67

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Solution

The fourth proportional to 3,939,811,154.55, 5,436,899,082.50 and 2,179,691,159.67 is: 3,007,951,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,939,811,154.55 : 5,436,899,082.50 = 2,179,691,159.67 : x
  2. Step 2: Convert to fraction form
    3,939,811,154.55/5,436,899,082.50 = 2,179,691,159.67/x
  3. Step 3: Cross multiply
    3,939,811,154.55x = 5,436,899,082.50 × 2,179,691,159.67
  4. Step 4: Simplify right side
    3,939,811,154.55x = 11,850,760,866,132,285,440
  5. Step 5: Solve for x
    x = 11,850,760,866,132,285,440/3,939,811,154.55
  6. Step 6: Final answer
    x = 3,007,951,498.50

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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.