Home / 322,290,220.80-483,435,331.20-278,452,243.20

Finding the Fourth Proportional to 322,290,220.80, 483,435,331.20 and 278,452,243.20

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Solution

The fourth proportional to 322,290,220.80, 483,435,331.20 and 278,452,243.20 is: 417,678,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,290,220.80 : 483,435,331.20 = 278,452,243.20 : x
  2. Step 2: Convert to fraction form
    322,290,220.80/483,435,331.20 = 278,452,243.20/x
  3. Step 3: Cross multiply
    322,290,220.80x = 483,435,331.20 × 278,452,243.20
  4. Step 4: Simplify right side
    322,290,220.80x = 134,613,652,414,774,944
  5. Step 5: Solve for x
    x = 134,613,652,414,774,944/322,290,220.80
  6. Step 6: Final answer
    x = 417,678,364.80

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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.