Home / 455,152,189.32-682,451,811.54-178,471,935.72

Finding the Fourth Proportional to 455,152,189.32, 682,451,811.54 and 178,471,935.72

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Solution

The fourth proportional to 455,152,189.32, 682,451,811.54 and 178,471,935.72 is: 267,599,494.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    455,152,189.32 : 682,451,811.54 = 178,471,935.72 : x
  2. Step 2: Convert to fraction form
    455,152,189.32/682,451,811.54 = 178,471,935.72/x
  3. Step 3: Cross multiply
    455,152,189.32x = 682,451,811.54 × 178,471,935.72
  4. Step 4: Simplify right side
    455,152,189.32x = 121,798,495,841,164,432
  5. Step 5: Solve for x
    x = 121,798,495,841,164,432/455,152,189.32
  6. Step 6: Final answer
    x = 267,599,494.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.