Home / 516,723,846.57-713,096,128.17-281,787,361.74

Finding the Fourth Proportional to 516,723,846.57, 713,096,128.17 and 281,787,361.74

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Solution

The fourth proportional to 516,723,846.57, 713,096,128.17 and 281,787,361.74 is: 388,875,949.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,723,846.57 : 713,096,128.17 = 281,787,361.74 : x
  2. Step 2: Convert to fraction form
    516,723,846.57/713,096,128.17 = 281,787,361.74/x
  3. Step 3: Cross multiply
    516,723,846.57x = 713,096,128.17 × 281,787,361.74
  4. Step 4: Simplify right side
    516,723,846.57x = 200,941,476,624,033,184
  5. Step 5: Solve for x
    x = 200,941,476,624,033,184/516,723,846.57
  6. Step 6: Final answer
    x = 388,875,949.81

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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.