Home / 8,857,371,318.80-13,287,970,165.80-2,647,164,369.20

Finding the Fourth Proportional to 8,857,371,318.80, 13,287,970,165.80 and 2,647,164,369.20

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Solution

The fourth proportional to 8,857,371,318.80, 13,287,970,165.80 and 2,647,164,369.20 is: 3,971,318,339.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857,371,318.80 : 13,287,970,165.80 = 2,647,164,369.20 : x
  2. Step 2: Convert to fraction form
    8,857,371,318.80/13,287,970,165.80 = 2,647,164,369.20/x
  3. Step 3: Cross multiply
    8,857,371,318.80x = 13,287,970,165.80 × 2,647,164,369.20
  4. Step 4: Simplify right side
    8,857,371,318.80x = 35,175,441,161,898,373,120
  5. Step 5: Solve for x
    x = 35,175,441,161,898,373,120/8,857,371,318.80
  6. Step 6: Final answer
    x = 3,971,318,339.93

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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.