Home / 754,484,198.09-1,041,188,241.38-419,949,518.92

Finding the Fourth Proportional to 754,484,198.09, 1,041,188,241.38 and 419,949,518.92

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Solution

The fourth proportional to 754,484,198.09, 1,041,188,241.38 and 419,949,518.92 is: 579,530,362.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,484,198.09 : 1,041,188,241.38 = 419,949,518.92 : x
  2. Step 2: Convert to fraction form
    754,484,198.09/1,041,188,241.38 = 419,949,518.92/x
  3. Step 3: Cross multiply
    754,484,198.09x = 1,041,188,241.38 × 419,949,518.92
  4. Step 4: Simplify right side
    754,484,198.09x = 437,246,501,072,691,840
  5. Step 5: Solve for x
    x = 437,246,501,072,691,840/754,484,198.09
  6. Step 6: Final answer
    x = 579,530,362.84

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Double scale
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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.