Home / 20,697,984,010.10-31,046,976,015.15-8,270,169,302.90

Finding the Fourth Proportional to 20,697,984,010.10, 31,046,976,015.15 and 8,270,169,302.90

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Solution

The fourth proportional to 20,697,984,010.10, 31,046,976,015.15 and 8,270,169,302.90 is: 12,405,253,954.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,697,984,010.10 : 31,046,976,015.15 = 8,270,169,302.90 : x
  2. Step 2: Convert to fraction form
    20,697,984,010.10/31,046,976,015.15 = 8,270,169,302.90/x
  3. Step 3: Cross multiply
    20,697,984,010.10x = 31,046,976,015.15 × 8,270,169,302.90
  4. Step 4: Simplify right side
    20,697,984,010.10x = 256,763,747,988,366,098,432
  5. Step 5: Solve for x
    x = 256,763,747,988,366,098,432/20,697,984,010.10
  6. Step 6: Final answer
    x = 12,405,253,954.35

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1.5x scale

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.