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Finding the Fourth Proportional to 1,282,465,297.92, 1,769,805,541.12 and 695,754,433.92

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Solution

The fourth proportional to 1,282,465,297.92, 1,769,805,541.12 and 695,754,433.92 is: 960,142,979.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,282,465,297.92 : 1,769,805,541.12 = 695,754,433.92 : x
  2. Step 2: Convert to fraction form
    1,282,465,297.92/1,769,805,541.12 = 695,754,433.92/x
  3. Step 3: Cross multiply
    1,282,465,297.92x = 1,769,805,541.12 × 695,754,433.92
  4. Step 4: Simplify right side
    1,282,465,297.92x = 1,231,350,052,410,424,832
  5. Step 5: Solve for x
    x = 1,231,350,052,410,424,832/1,282,465,297.92
  6. Step 6: Final answer
    x = 960,142,979.62

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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.