Home / 7,722,731,231.80-11,584,096,847.70-2,815,565,126.20

Finding the Fourth Proportional to 7,722,731,231.80, 11,584,096,847.70 and 2,815,565,126.20

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Solution

The fourth proportional to 7,722,731,231.80, 11,584,096,847.70 and 2,815,565,126.20 is: 4,223,347,689.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722,731,231.80 : 11,584,096,847.70 = 2,815,565,126.20 : x
  2. Step 2: Convert to fraction form
    7,722,731,231.80/11,584,096,847.70 = 2,815,565,126.20/x
  3. Step 3: Cross multiply
    7,722,731,231.80x = 11,584,096,847.70 × 2,815,565,126.20
  4. Step 4: Simplify right side
    7,722,731,231.80x = 32,615,779,102,907,473,920
  5. Step 5: Solve for x
    x = 32,615,779,102,907,473,920/7,722,731,231.80
  6. Step 6: Final answer
    x = 4,223,347,689.30

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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.