Home / 796,907,719.80-1,099,314,428.94-648,394,906.68

Finding the Fourth Proportional to 796,907,719.80, 1,099,314,428.94 and 648,394,906.68

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Solution

The fourth proportional to 796,907,719.80, 1,099,314,428.94 and 648,394,906.68 is: 894,444,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    796,907,719.80 : 1,099,314,428.94 = 648,394,906.68 : x
  2. Step 2: Convert to fraction form
    796,907,719.80/1,099,314,428.94 = 648,394,906.68/x
  3. Step 3: Cross multiply
    796,907,719.80x = 1,099,314,428.94 × 648,394,906.68
  4. Step 4: Simplify right side
    796,907,719.80x = 712,789,876,564,528,768
  5. Step 5: Solve for x
    x = 712,789,876,564,528,768/796,907,719.80
  6. Step 6: Final answer
    x = 894,444,687.70

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1.5x scale

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.