Home / 18,644,181,968.66-25,728,981,420.42-10,070,608,557.74

Finding the Fourth Proportional to 18,644,181,968.66, 25,728,981,420.42 and 10,070,608,557.74

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Solution

The fourth proportional to 18,644,181,968.66, 25,728,981,420.42 and 10,070,608,557.74 is: 13,897,445,375.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,644,181,968.66 : 25,728,981,420.42 = 10,070,608,557.74 : x
  2. Step 2: Convert to fraction form
    18,644,181,968.66/25,728,981,420.42 = 10,070,608,557.74/x
  3. Step 3: Cross multiply
    18,644,181,968.66x = 25,728,981,420.42 × 10,070,608,557.74
  4. Step 4: Simplify right side
    18,644,181,968.66x = 259,106,500,474,286,473,216
  5. Step 5: Solve for x
    x = 259,106,500,474,286,473,216/18,644,181,968.66
  6. Step 6: Final answer
    x = 13,897,445,375.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.