Home / 20,697,984,007.10-31,046,976,010.65-8,270,169,299.90

Finding the Fourth Proportional to 20,697,984,007.10, 31,046,976,010.65 and 8,270,169,299.90

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Solution

The fourth proportional to 20,697,984,007.10, 31,046,976,010.65 and 8,270,169,299.90 is: 12,405,253,949.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,984,007.10 : 31,046,976,010.65 = 8,270,169,299.90 : x
  2. Step 2: Convert to fraction form
    20,697,984,007.10/31,046,976,010.65 = 8,270,169,299.90/x
  3. Step 3: Cross multiply
    20,697,984,007.10x = 31,046,976,010.65 × 8,270,169,299.90
  4. Step 4: Simplify right side
    20,697,984,007.10x = 256,763,747,858,009,391,104
  5. Step 5: Solve for x
    x = 256,763,747,858,009,391,104/20,697,984,007.10
  6. Step 6: Final answer
    x = 12,405,253,949.85

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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.