Home / 6,331,984,667.40-9,499,436,134.65-2,191,428,174.81

Finding the Fourth Proportional to 6,331,984,667.40, 9,499,436,134.65 and 2,191,428,174.81

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Solution

The fourth proportional to 6,331,984,667.40, 9,499,436,134.65 and 2,191,428,174.81 is: 3,287,647,251.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,331,984,667.40 : 9,499,436,134.65 = 2,191,428,174.81 : x
  2. Step 2: Convert to fraction form
    6,331,984,667.40/9,499,436,134.65 = 2,191,428,174.81/x
  3. Step 3: Cross multiply
    6,331,984,667.40x = 9,499,436,134.65 × 2,191,428,174.81
  4. Step 4: Simplify right side
    6,331,984,667.40x = 20,817,331,990,280,208,384
  5. Step 5: Solve for x
    x = 20,817,331,990,280,208,384/6,331,984,667.40
  6. Step 6: Final answer
    x = 3,287,647,251.81

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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.