Home / 451,290,249.75-622,516,693.61-283,761,280.04

Finding the Fourth Proportional to 451,290,249.75, 622,516,693.61 and 283,761,280.04

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Solution

The fourth proportional to 451,290,249.75, 622,516,693.61 and 283,761,280.04 is: 391,424,662.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,290,249.75 : 622,516,693.61 = 283,761,280.04 : x
  2. Step 2: Convert to fraction form
    451,290,249.75/622,516,693.61 = 283,761,280.04/x
  3. Step 3: Cross multiply
    451,290,249.75x = 622,516,693.61 × 283,761,280.04
  4. Step 4: Simplify right side
    451,290,249.75x = 176,646,133,820,510,720
  5. Step 5: Solve for x
    x = 176,646,133,820,510,720/451,290,249.75
  6. Step 6: Final answer
    x = 391,424,662.77

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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.