Home / 286,471,223,235.59-395,331,517,114.30-156,262,915,376.57

Finding the Fourth Proportional to 286,471,223,235.59, 395,331,517,114.30 and 156,262,915,376.57

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Solution

The fourth proportional to 286,471,223,235.59, 395,331,517,114.30 and 156,262,915,376.57 is: 215,643,493,635.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,471,223,235.59 : 395,331,517,114.30 = 156,262,915,376.57 : x
  2. Step 2: Convert to fraction form
    286,471,223,235.59/395,331,517,114.30 = 156,262,915,376.57/x
  3. Step 3: Cross multiply
    286,471,223,235.59x = 395,331,517,114.30 × 156,262,915,376.57
  4. Step 4: Simplify right side
    286,471,223,235.59x = 61,775,655,404,522,900,029,440
  5. Step 5: Solve for x
    x = 61,775,655,404,522,900,029,440/286,471,223,235.59
  6. Step 6: Final answer
    x = 215,643,493,635.38

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Double scale
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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.