Home / 660,582,330.60-990,842,003.10-223,840,180.20

Finding the Fourth Proportional to 660,582,330.60, 990,842,003.10 and 223,840,180.20

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Solution

The fourth proportional to 660,582,330.60, 990,842,003.10 and 223,840,180.20 is: 335,749,598.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,582,330.60 : 990,842,003.10 = 223,840,180.20 : x
  2. Step 2: Convert to fraction form
    660,582,330.60/990,842,003.10 = 223,840,180.20/x
  3. Step 3: Cross multiply
    660,582,330.60x = 990,842,003.10 × 223,840,180.20
  4. Step 4: Simplify right side
    660,582,330.60x = 221,790,252,523,632,960
  5. Step 5: Solve for x
    x = 221,790,252,523,632,960/660,582,330.60
  6. Step 6: Final answer
    x = 335,749,598.88

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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.