Home / 28,270,275,481.36-39,014,725,607.40-15,582,982,531.60

Finding the Fourth Proportional to 28,270,275,481.36, 39,014,725,607.40 and 15,582,982,531.60

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Solution

The fourth proportional to 28,270,275,481.36, 39,014,725,607.40 and 15,582,982,531.60 is: 21,505,478,006.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,270,275,481.36 : 39,014,725,607.40 = 15,582,982,531.60 : x
  2. Step 2: Convert to fraction form
    28,270,275,481.36/39,014,725,607.40 = 15,582,982,531.60/x
  3. Step 3: Cross multiply
    28,270,275,481.36x = 39,014,725,607.40 × 15,582,982,531.60
  4. Step 4: Simplify right side
    28,270,275,481.36x = 607,965,787,615,281,414,144
  5. Step 5: Solve for x
    x = 607,965,787,615,281,414,144/28,270,275,481.36
  6. Step 6: Final answer
    x = 21,505,478,006.97

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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.