Home / 1,011,388,727.25-1,517,083,681.37-284,377,439.25

Finding the Fourth Proportional to 1,011,388,727.25, 1,517,083,681.37 and 284,377,439.25

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Solution

The fourth proportional to 1,011,388,727.25, 1,517,083,681.37 and 284,377,439.25 is: 426,566,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,388,727.25 : 1,517,083,681.37 = 284,377,439.25 : x
  2. Step 2: Convert to fraction form
    1,011,388,727.25/1,517,083,681.37 = 284,377,439.25/x
  3. Step 3: Cross multiply
    1,011,388,727.25x = 1,517,083,681.37 × 284,377,439.25
  4. Step 4: Simplify right side
    1,011,388,727.25x = 431,424,372,434,541,632
  5. Step 5: Solve for x
    x = 431,424,372,434,541,632/1,011,388,727.25
  6. Step 6: Final answer
    x = 426,566,324.91

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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.