Home / 27,730,724,769.60-38,268,400,180.80-15,850,084,865.28

Finding the Fourth Proportional to 27,730,724,769.60, 38,268,400,180.80 and 15,850,084,865.28

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Solution

The fourth proportional to 27,730,724,769.60, 38,268,400,180.80 and 15,850,084,865.28 is: 21,873,117,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,730,724,769.60 : 38,268,400,180.80 = 15,850,084,865.28 : x
  2. Step 2: Convert to fraction form
    27,730,724,769.60/38,268,400,180.80 = 15,850,084,865.28/x
  3. Step 3: Cross multiply
    27,730,724,769.60x = 38,268,400,180.80 × 15,850,084,865.28
  4. Step 4: Simplify right side
    27,730,724,769.60x = 606,557,390,524,176,531,456
  5. Step 5: Solve for x
    x = 606,557,390,524,176,531,456/27,730,724,769.60
  6. Step 6: Final answer
    x = 21,873,117,113.37

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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.