Home / 19,938,080,781.41-27,514,227,726.09-10,905,759,878.58

Finding the Fourth Proportional to 19,938,080,781.41, 27,514,227,726.09 and 10,905,759,878.58

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Solution

The fourth proportional to 19,938,080,781.41, 27,514,227,726.09 and 10,905,759,878.58 is: 15,049,771,545.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,938,080,781.41 : 27,514,227,726.09 = 10,905,759,878.58 : x
  2. Step 2: Convert to fraction form
    19,938,080,781.41/27,514,227,726.09 = 10,905,759,878.58/x
  3. Step 3: Cross multiply
    19,938,080,781.41x = 27,514,227,726.09 × 10,905,759,878.58
  4. Step 4: Simplify right side
    19,938,080,781.41x = 300,063,560,825,305,759,744
  5. Step 5: Solve for x
    x = 300,063,560,825,305,759,744/19,938,080,781.41
  6. Step 6: Final answer
    x = 15,049,771,545.97

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1.5x scale

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.