Home / 286,471,222,706.22-395,331,516,383.98-156,262,914,847.54

Finding the Fourth Proportional to 286,471,222,706.22, 395,331,516,383.98 and 156,262,914,847.54

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Solution

The fourth proportional to 286,471,222,706.22, 395,331,516,383.98 and 156,262,914,847.54 is: 215,643,492,905.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471,222,706.22 : 395,331,516,383.98 = 156,262,914,847.54 : x
  2. Step 2: Convert to fraction form
    286,471,222,706.22/395,331,516,383.98 = 156,262,914,847.54/x
  3. Step 3: Cross multiply
    286,471,222,706.22x = 395,331,516,383.98 × 156,262,914,847.54
  4. Step 4: Simplify right side
    286,471,222,706.22x = 61,775,655,081,258,730,389,504
  5. Step 5: Solve for x
    x = 61,775,655,081,258,730,389,504/286,471,222,706.22
  6. Step 6: Final answer
    x = 215,643,492,905.43

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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.