Home / 20,697,984,002.60-31,046,976,003.90-8,270,169,295.40

Finding the Fourth Proportional to 20,697,984,002.60, 31,046,976,003.90 and 8,270,169,295.40

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Solution

The fourth proportional to 20,697,984,002.60, 31,046,976,003.90 and 8,270,169,295.40 is: 12,405,253,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,984,002.60 : 31,046,976,003.90 = 8,270,169,295.40 : x
  2. Step 2: Convert to fraction form
    20,697,984,002.60/31,046,976,003.90 = 8,270,169,295.40/x
  3. Step 3: Cross multiply
    20,697,984,002.60x = 31,046,976,003.90 × 8,270,169,295.40
  4. Step 4: Simplify right side
    20,697,984,002.60x = 256,763,747,662,474,379,264
  5. Step 5: Solve for x
    x = 256,763,747,662,474,379,264/20,697,984,002.60
  6. Step 6: Final answer
    x = 12,405,253,943.10

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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.