Home / 27,687,583,365.76-38,208,366,982.52-15,644,335,601.57

Finding the Fourth Proportional to 27,687,583,365.76, 38,208,366,982.52 and 15,644,335,601.57

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Solution

The fourth proportional to 27,687,583,365.76, 38,208,366,982.52 and 15,644,335,601.57 is: 21,588,901,709.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,687,583,365.76 : 38,208,366,982.52 = 15,644,335,601.57 : x
  2. Step 2: Convert to fraction form
    27,687,583,365.76/38,208,366,982.52 = 15,644,335,601.57/x
  3. Step 3: Cross multiply
    27,687,583,365.76x = 38,208,366,982.52 × 15,644,335,601.57
  4. Step 4: Simplify right side
    27,687,583,365.76x = 597,744,515,862,267,035,648
  5. Step 5: Solve for x
    x = 597,744,515,862,267,035,648/27,687,583,365.76
  6. Step 6: Final answer
    x = 21,588,901,709.69

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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.