Home / 822,802,901.38-1,135,412,106.42-451,548,847.60

Finding the Fourth Proportional to 822,802,901.38, 1,135,412,106.42 and 451,548,847.60

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Solution

The fourth proportional to 822,802,901.38, 1,135,412,106.42 and 451,548,847.60 is: 623,106,733.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,802,901.38 : 1,135,412,106.42 = 451,548,847.60 : x
  2. Step 2: Convert to fraction form
    822,802,901.38/1,135,412,106.42 = 451,548,847.60/x
  3. Step 3: Cross multiply
    822,802,901.38x = 1,135,412,106.42 × 451,548,847.60
  4. Step 4: Simplify right side
    822,802,901.38x = 512,694,028,205,039,616
  5. Step 5: Solve for x
    x = 512,694,028,205,039,616/822,802,901.38
  6. Step 6: Final answer
    x = 623,106,733.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.