Home / 27,943,357,909.76-38,561,634,263.04-15,256,093,160.96

Finding the Fourth Proportional to 27,943,357,909.76, 38,561,634,263.04 and 15,256,093,160.96

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Solution

The fourth proportional to 27,943,357,909.76, 38,561,634,263.04 and 15,256,093,160.96 is: 21,053,299,558.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,943,357,909.76 : 38,561,634,263.04 = 15,256,093,160.96 : x
  2. Step 2: Convert to fraction form
    27,943,357,909.76/38,561,634,263.04 = 15,256,093,160.96/x
  3. Step 3: Cross multiply
    27,943,357,909.76x = 38,561,634,263.04 × 15,256,093,160.96
  4. Step 4: Simplify right side
    27,943,357,909.76x = 588,299,884,755,805,339,648
  5. Step 5: Solve for x
    x = 588,299,884,755,805,339,648/27,943,357,909.76
  6. Step 6: Final answer
    x = 21,053,299,558.90

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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.