Home / 517,204,776.92-713,757,709.86-282,270,515.54

Finding the Fourth Proportional to 517,204,776.92, 713,757,709.86 and 282,270,515.54

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Solution

The fourth proportional to 517,204,776.92, 713,757,709.86 and 282,270,515.54 is: 389,541,562.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,204,776.92 : 713,757,709.86 = 282,270,515.54 : x
  2. Step 2: Convert to fraction form
    517,204,776.92/713,757,709.86 = 282,270,515.54/x
  3. Step 3: Cross multiply
    517,204,776.92x = 713,757,709.86 × 282,270,515.54
  4. Step 4: Simplify right side
    517,204,776.92x = 201,472,756,732,831,968
  5. Step 5: Solve for x
    x = 201,472,756,732,831,968/517,204,776.92
  6. Step 6: Final answer
    x = 389,541,562.11

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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.