Home / 20,155,536,190.80-30,233,304,286.20-12,754,476,248.40

Finding the Fourth Proportional to 20,155,536,190.80, 30,233,304,286.20 and 12,754,476,248.40

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Solution

The fourth proportional to 20,155,536,190.80, 30,233,304,286.20 and 12,754,476,248.40 is: 19,131,714,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,536,190.80 : 30,233,304,286.20 = 12,754,476,248.40 : x
  2. Step 2: Convert to fraction form
    20,155,536,190.80/30,233,304,286.20 = 12,754,476,248.40/x
  3. Step 3: Cross multiply
    20,155,536,190.80x = 30,233,304,286.20 × 12,754,476,248.40
  4. Step 4: Simplify right side
    20,155,536,190.80x = 385,609,961,428,987,805,696
  5. Step 5: Solve for x
    x = 385,609,961,428,987,805,696/20,155,536,190.80
  6. Step 6: Final answer
    x = 19,131,714,372.60

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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.