Home / 18,217,851,414.30-27,326,777,121.45-10,865,164,412.70

Finding the Fourth Proportional to 18,217,851,414.30, 27,326,777,121.45 and 10,865,164,412.70

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Solution

The fourth proportional to 18,217,851,414.30, 27,326,777,121.45 and 10,865,164,412.70 is: 16,297,746,619.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,217,851,414.30 : 27,326,777,121.45 = 10,865,164,412.70 : x
  2. Step 2: Convert to fraction form
    18,217,851,414.30/27,326,777,121.45 = 10,865,164,412.70/x
  3. Step 3: Cross multiply
    18,217,851,414.30x = 27,326,777,121.45 × 10,865,164,412.70
  4. Step 4: Simplify right side
    18,217,851,414.30x = 296,909,926,293,763,129,344
  5. Step 5: Solve for x
    x = 296,909,926,293,763,129,344/18,217,851,414.30
  6. Step 6: Final answer
    x = 16,297,746,619.05

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Double scale
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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.