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Finding the Fourth Proportional to 927,727,358.97, 1,388,562,947.42 and 682,018,900.41

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Solution

The fourth proportional to 927,727,358.97, 1,388,562,947.42 and 682,018,900.41 is: 1,020,802,249.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,727,358.97 : 1,388,562,947.42 = 682,018,900.41 : x
  2. Step 2: Convert to fraction form
    927,727,358.97/1,388,562,947.42 = 682,018,900.41/x
  3. Step 3: Cross multiply
    927,727,358.97x = 1,388,562,947.42 × 682,018,900.41
  4. Step 4: Simplify right side
    927,727,358.97x = 947,026,174,546,046,848
  5. Step 5: Solve for x
    x = 947,026,174,546,046,848/927,727,358.97
  6. Step 6: Final answer
    x = 1,020,802,249.05

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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.