Home / 414,033,150.80-620,522,221.80-220,037,502.80

Finding the Fourth Proportional to 414,033,150.80, 620,522,221.80 and 220,037,502.80

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Solution

The fourth proportional to 414,033,150.80, 620,522,221.80 and 220,037,502.80 is: 329,775,912.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,033,150.80 : 620,522,221.80 = 220,037,502.80 : x
  2. Step 2: Convert to fraction form
    414,033,150.80/620,522,221.80 = 220,037,502.80/x
  3. Step 3: Cross multiply
    414,033,150.80x = 620,522,221.80 × 220,037,502.80
  4. Step 4: Simplify right side
    414,033,150.80x = 136,538,160,116,779,712
  5. Step 5: Solve for x
    x = 136,538,160,116,779,712/414,033,150.80
  6. Step 6: Final answer
    x = 329,775,912.52

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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.