Home / 288,463,949.90-398,100,451.89-163,027,737.48

Finding the Fourth Proportional to 288,463,949.90, 398,100,451.89 and 163,027,737.48

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Solution

The fourth proportional to 288,463,949.90, 398,100,451.89 and 163,027,737.48 is: 224,989,694.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,463,949.90 : 398,100,451.89 = 163,027,737.48 : x
  2. Step 2: Convert to fraction form
    288,463,949.90/398,100,451.89 = 163,027,737.48/x
  3. Step 3: Cross multiply
    288,463,949.90x = 398,100,451.89 × 163,027,737.48
  4. Step 4: Simplify right side
    288,463,949.90x = 64,901,415,961,392,280
  5. Step 5: Solve for x
    x = 64,901,415,961,392,280/288,463,949.90
  6. Step 6: Final answer
    x = 224,989,694.50

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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.