Home / 1,217,950,230.43-1,827,693,849.44-518,441,224.38

Finding the Fourth Proportional to 1,217,950,230.43, 1,827,693,849.44 and 518,441,224.38

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Solution

The fourth proportional to 1,217,950,230.43, 1,827,693,849.44 and 518,441,224.38 is: 777,988,963.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,950,230.43 : 1,827,693,849.44 = 518,441,224.38 : x
  2. Step 2: Convert to fraction form
    1,217,950,230.43/1,827,693,849.44 = 518,441,224.38/x
  3. Step 3: Cross multiply
    1,217,950,230.43x = 1,827,693,849.44 × 518,441,224.38
  4. Step 4: Simplify right side
    1,217,950,230.43x = 947,551,837,095,469,056
  5. Step 5: Solve for x
    x = 947,551,837,095,469,056/1,217,950,230.43
  6. Step 6: Final answer
    x = 777,988,963.28

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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.