Home / 5,391,344,738.12-8,087,886,099.80-1,660,634,396.56

Finding the Fourth Proportional to 5,391,344,738.12, 8,087,886,099.80 and 1,660,634,396.56

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Solution

The fourth proportional to 5,391,344,738.12, 8,087,886,099.80 and 1,660,634,396.56 is: 2,491,219,260.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,391,344,738.12 : 8,087,886,099.80 = 1,660,634,396.56 : x
  2. Step 2: Convert to fraction form
    5,391,344,738.12/8,087,886,099.80 = 1,660,634,396.56/x
  3. Step 3: Cross multiply
    5,391,344,738.12x = 8,087,886,099.80 × 1,660,634,396.56
  4. Step 4: Simplify right side
    5,391,344,738.12x = 13,431,021,852,738,643,968
  5. Step 5: Solve for x
    x = 13,431,021,852,738,643,968/5,391,344,738.12
  6. Step 6: Final answer
    x = 2,491,219,260.71

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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.