Home / 13,161,261,702.22-18,162,541,149.05-7,522,598,622.62

Finding the Fourth Proportional to 13,161,261,702.22, 18,162,541,149.05 and 7,522,598,622.62

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Solution

The fourth proportional to 13,161,261,702.22, 18,162,541,149.05 and 7,522,598,622.62 is: 10,381,186,099.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,161,261,702.22 : 18,162,541,149.05 = 7,522,598,622.62 : x
  2. Step 2: Convert to fraction form
    13,161,261,702.22/18,162,541,149.05 = 7,522,598,622.62/x
  3. Step 3: Cross multiply
    13,161,261,702.22x = 18,162,541,149.05 × 7,522,598,622.62
  4. Step 4: Simplify right side
    13,161,261,702.22x = 136,629,507,031,183,048,704
  5. Step 5: Solve for x
    x = 136,629,507,031,183,048,704/13,161,261,702.22
  6. Step 6: Final answer
    x = 10,381,186,099.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.