Home / 517,161,078.77-713,697,361.58-282,226,872.53

Finding the Fourth Proportional to 517,161,078.77, 713,697,361.58 and 282,226,872.53

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Solution

The fourth proportional to 517,161,078.77, 713,697,361.58 and 282,226,872.53 is: 389,481,309.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,161,078.77 : 713,697,361.58 = 282,226,872.53 : x
  2. Step 2: Convert to fraction form
    517,161,078.77/713,697,361.58 = 282,226,872.53/x
  3. Step 3: Cross multiply
    517,161,078.77x = 713,697,361.58 × 282,226,872.53
  4. Step 4: Simplify right side
    517,161,078.77x = 201,424,574,294,125,792
  5. Step 5: Solve for x
    x = 201,424,574,294,125,792/517,161,078.77
  6. Step 6: Final answer
    x = 389,481,309.72

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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.