Home / 18,163,929,687.60-27,245,894,531.40-13,266,169,431.60

Finding the Fourth Proportional to 18,163,929,687.60, 27,245,894,531.40 and 13,266,169,431.60

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Solution

The fourth proportional to 18,163,929,687.60, 27,245,894,531.40 and 13,266,169,431.60 is: 19,899,254,147.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,163,929,687.60 : 27,245,894,531.40 = 13,266,169,431.60 : x
  2. Step 2: Convert to fraction form
    18,163,929,687.60/27,245,894,531.40 = 13,266,169,431.60/x
  3. Step 3: Cross multiply
    18,163,929,687.60x = 27,245,894,531.40 × 13,266,169,431.60
  4. Step 4: Simplify right side
    18,163,929,687.60x = 361,448,653,169,056,284,672
  5. Step 5: Solve for x
    x = 361,448,653,169,056,284,672/18,163,929,687.60
  6. Step 6: Final answer
    x = 19,899,254,147.40

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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.