Home / 20,155,536,181.80-30,233,304,272.70-12,754,476,239.40

Finding the Fourth Proportional to 20,155,536,181.80, 30,233,304,272.70 and 12,754,476,239.40

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Solution

The fourth proportional to 20,155,536,181.80, 30,233,304,272.70 and 12,754,476,239.40 is: 19,131,714,359.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,155,536,181.80 : 30,233,304,272.70 = 12,754,476,239.40 : x
  2. Step 2: Convert to fraction form
    20,155,536,181.80/30,233,304,272.70 = 12,754,476,239.40/x
  3. Step 3: Cross multiply
    20,155,536,181.80x = 30,233,304,272.70 × 12,754,476,239.40
  4. Step 4: Simplify right side
    20,155,536,181.80x = 385,609,960,984,702,615,552
  5. Step 5: Solve for x
    x = 385,609,960,984,702,615,552/20,155,536,181.80
  6. Step 6: Final answer
    x = 19,131,714,359.10

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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.