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Finding the Fourth Proportional to 1,099,445,998.80, 1,648,212,404.40 and 662,282,632.20

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Solution

The fourth proportional to 1,099,445,998.80, 1,648,212,404.40 and 662,282,632.20 is: 992,847,716.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,099,445,998.80 : 1,648,212,404.40 = 662,282,632.20 : x
  2. Step 2: Convert to fraction form
    1,099,445,998.80/1,648,212,404.40 = 662,282,632.20/x
  3. Step 3: Cross multiply
    1,099,445,998.80x = 1,648,212,404.40 × 662,282,632.20
  4. Step 4: Simplify right side
    1,099,445,998.80x = 1,091,582,449,610,722,944
  5. Step 5: Solve for x
    x = 1,091,582,449,610,722,944/1,099,445,998.80
  6. Step 6: Final answer
    x = 992,847,716.76

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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.