Home / 350,972,585.24-484,846,677.56-280,315,427.80

Finding the Fourth Proportional to 350,972,585.24, 484,846,677.56 and 280,315,427.80

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Solution

The fourth proportional to 350,972,585.24, 484,846,677.56 and 280,315,427.80 is: 387,238,233.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,972,585.24 : 484,846,677.56 = 280,315,427.80 : x
  2. Step 2: Convert to fraction form
    350,972,585.24/484,846,677.56 = 280,315,427.80/x
  3. Step 3: Cross multiply
    350,972,585.24x = 484,846,677.56 × 280,315,427.80
  4. Step 4: Simplify right side
    350,972,585.24x = 135,910,003,837,640,064
  5. Step 5: Solve for x
    x = 135,910,003,837,640,064/350,972,585.24
  6. Step 6: Final answer
    x = 387,238,233.28

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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.