Home / 286,471,223,313.18-395,331,517,221.33-156,262,915,454.22

Finding the Fourth Proportional to 286,471,223,313.18, 395,331,517,221.33 and 156,262,915,454.22

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Solution

The fourth proportional to 286,471,223,313.18, 395,331,517,221.33 and 156,262,915,454.22 is: 215,643,493,742.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471,223,313.18 : 395,331,517,221.33 = 156,262,915,454.22 : x
  2. Step 2: Convert to fraction form
    286,471,223,313.18/395,331,517,221.33 = 156,262,915,454.22/x
  3. Step 3: Cross multiply
    286,471,223,313.18x = 395,331,517,221.33 × 156,262,915,454.22
  4. Step 4: Simplify right side
    286,471,223,313.18x = 61,775,655,451,945,211,002,880
  5. Step 5: Solve for x
    x = 61,775,655,451,945,211,002,880/286,471,223,313.18
  6. Step 6: Final answer
    x = 215,643,493,742.51

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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.