Home / 1,259,944,578.82-1,890,007,679.94-483,590,240.74

Finding the Fourth Proportional to 1,259,944,578.82, 1,890,007,679.94 and 483,590,240.74

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Solution

The fourth proportional to 1,259,944,578.82, 1,890,007,679.94 and 483,590,240.74 is: 725,420,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,944,578.82 : 1,890,007,679.94 = 483,590,240.74 : x
  2. Step 2: Convert to fraction form
    1,259,944,578.82/1,890,007,679.94 = 483,590,240.74/x
  3. Step 3: Cross multiply
    1,259,944,578.82x = 1,890,007,679.94 × 483,590,240.74
  4. Step 4: Simplify right side
    1,259,944,578.82x = 913,989,268,942,633,472
  5. Step 5: Solve for x
    x = 913,989,268,942,633,472/1,259,944,578.82
  6. Step 6: Final answer
    x = 725,420,216.34

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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.