Home / 445,059,213,731.20-667,359,497,025.60-165,743,104,009.60

Finding the Fourth Proportional to 445,059,213,731.20, 667,359,497,025.60 and 165,743,104,009.60

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Solution

The fourth proportional to 445,059,213,731.20, 667,359,497,025.60 and 165,743,104,009.60 is: 248,529,254,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,059,213,731.20 : 667,359,497,025.60 = 165,743,104,009.60 : x
  2. Step 2: Convert to fraction form
    445,059,213,731.20/667,359,497,025.60 = 165,743,104,009.60/x
  3. Step 3: Cross multiply
    445,059,213,731.20x = 667,359,497,025.60 × 165,743,104,009.60
  4. Step 4: Simplify right side
    445,059,213,731.20x = 110,610,234,527,308,360,712,192
  5. Step 5: Solve for x
    x = 110,610,234,527,308,360,712,192/445,059,213,731.20
  6. Step 6: Final answer
    x = 248,529,254,343.48

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1.5x scale

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.