Home / 7,510,597,866.40-11,273,311,371.12-5,638,733,019.04

Finding the Fourth Proportional to 7,510,597,866.40, 11,273,311,371.12 and 5,638,733,019.04

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Solution

The fourth proportional to 7,510,597,866.40, 11,273,311,371.12 and 5,638,733,019.04 is: 8,463,666,167.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,510,597,866.40 : 11,273,311,371.12 = 5,638,733,019.04 : x
  2. Step 2: Convert to fraction form
    7,510,597,866.40/11,273,311,371.12 = 5,638,733,019.04/x
  3. Step 3: Cross multiply
    7,510,597,866.40x = 11,273,311,371.12 × 5,638,733,019.04
  4. Step 4: Simplify right side
    7,510,597,866.40x = 63,567,193,062,253,445,120
  5. Step 5: Solve for x
    x = 63,567,193,062,253,445,120/7,510,597,866.40
  6. Step 6: Final answer
    x = 8,463,666,167.86

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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.