Home / 660,582,321.60-990,841,989.60-223,840,171.20

Finding the Fourth Proportional to 660,582,321.60, 990,841,989.60 and 223,840,171.20

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Solution

The fourth proportional to 660,582,321.60, 990,841,989.60 and 223,840,171.20 is: 335,749,585.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,582,321.60 : 990,841,989.60 = 223,840,171.20 : x
  2. Step 2: Convert to fraction form
    660,582,321.60/990,841,989.60 = 223,840,171.20/x
  3. Step 3: Cross multiply
    660,582,321.60x = 990,841,989.60 × 223,840,171.20
  4. Step 4: Simplify right side
    660,582,321.60x = 221,790,240,584,212,608
  5. Step 5: Solve for x
    x = 221,790,240,584,212,608/660,582,321.60
  6. Step 6: Final answer
    x = 335,749,585.38

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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.