Home / 27,773,697,932.77-38,327,673,979.57-15,086,443,521.69

Finding the Fourth Proportional to 27,773,697,932.77, 38,327,673,979.57 and 15,086,443,521.69

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Solution

The fourth proportional to 27,773,697,932.77, 38,327,673,979.57 and 15,086,443,521.69 is: 20,819,276,216.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773,697,932.77 : 38,327,673,979.57 = 15,086,443,521.69 : x
  2. Step 2: Convert to fraction form
    27,773,697,932.77/38,327,673,979.57 = 15,086,443,521.69/x
  3. Step 3: Cross multiply
    27,773,697,932.77x = 38,327,673,979.57 × 15,086,443,521.69
  4. Step 4: Simplify right side
    27,773,697,932.77x = 578,228,288,810,590,535,680
  5. Step 5: Solve for x
    x = 578,228,288,810,590,535,680/27,773,697,932.77
  6. Step 6: Final answer
    x = 20,819,276,216.30

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Double scale
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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.