Home / 45,403,608,387.70-68,105,412,581.55-18,865,304,891.20

Finding the Fourth Proportional to 45,403,608,387.70, 68,105,412,581.55 and 18,865,304,891.20

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Solution

The fourth proportional to 45,403,608,387.70, 68,105,412,581.55 and 18,865,304,891.20 is: 28,297,957,336.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,403,608,387.70 : 68,105,412,581.55 = 18,865,304,891.20 : x
  2. Step 2: Convert to fraction form
    45,403,608,387.70/68,105,412,581.55 = 18,865,304,891.20/x
  3. Step 3: Cross multiply
    45,403,608,387.70x = 68,105,412,581.55 × 18,865,304,891.20
  4. Step 4: Simplify right side
    45,403,608,387.70x = 1,284,829,373,091,909,468,160
  5. Step 5: Solve for x
    x = 1,284,829,373,091,909,468,160/45,403,608,387.70
  6. Step 6: Final answer
    x = 28,297,957,336.80

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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.