Home / 387,970,664.50-536,099,862.44-276,267,576.37

Finding the Fourth Proportional to 387,970,664.50, 536,099,862.44 and 276,267,576.37

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Solution

The fourth proportional to 387,970,664.50, 536,099,862.44 and 276,267,576.37 is: 381,747,959.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,970,664.50 : 536,099,862.44 = 276,267,576.37 : x
  2. Step 2: Convert to fraction form
    387,970,664.50/536,099,862.44 = 276,267,576.37/x
  3. Step 3: Cross multiply
    387,970,664.50x = 536,099,862.44 × 276,267,576.37
  4. Step 4: Simplify right side
    387,970,664.50x = 148,107,009,688,589,184
  5. Step 5: Solve for x
    x = 148,107,009,688,589,184/387,970,664.50
  6. Step 6: Final answer
    x = 381,747,959.94

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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.