Home / 5,391,344,011.35-8,087,885,008.49-1,660,633,667.92

Finding the Fourth Proportional to 5,391,344,011.35, 8,087,885,008.49 and 1,660,633,667.92

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Solution

The fourth proportional to 5,391,344,011.35, 8,087,885,008.49 and 1,660,633,667.92 is: 2,491,218,167.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,344,011.35 : 8,087,885,008.49 = 1,660,633,667.92 : x
  2. Step 2: Convert to fraction form
    5,391,344,011.35/8,087,885,008.49 = 1,660,633,667.92/x
  3. Step 3: Cross multiply
    5,391,344,011.35x = 8,087,885,008.49 × 1,660,633,667.92
  4. Step 4: Simplify right side
    5,391,344,011.35x = 13,431,014,147,363,930,112
  5. Step 5: Solve for x
    x = 13,431,014,147,363,930,112/5,391,344,011.35
  6. Step 6: Final answer
    x = 2,491,218,167.32

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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.