Home / 660,582,310.60-990,841,973.10-223,840,160.20

Finding the Fourth Proportional to 660,582,310.60, 990,841,973.10 and 223,840,160.20

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Solution

The fourth proportional to 660,582,310.60, 990,841,973.10 and 223,840,160.20 is: 335,749,568.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    660,582,310.60 : 990,841,973.10 = 223,840,160.20 : x
  2. Step 2: Convert to fraction form
    660,582,310.60/990,841,973.10 = 223,840,160.20/x
  3. Step 3: Cross multiply
    660,582,310.60x = 990,841,973.10 × 223,840,160.20
  4. Step 4: Simplify right side
    660,582,310.60x = 221,790,225,991,588,096
  5. Step 5: Solve for x
    x = 221,790,225,991,588,096/660,582,310.60
  6. Step 6: Final answer
    x = 335,749,568.88

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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.