Home / 1,109,157,628.20-1,530,685,356.41-614,120,380.44

Finding the Fourth Proportional to 1,109,157,628.20, 1,530,685,356.41 and 614,120,380.44

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Solution

The fourth proportional to 1,109,157,628.20, 1,530,685,356.41 and 614,120,380.44 is: 847,512,607.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,157,628.20 : 1,530,685,356.41 = 614,120,380.44 : x
  2. Step 2: Convert to fraction form
    1,109,157,628.20/1,530,685,356.41 = 614,120,380.44/x
  3. Step 3: Cross multiply
    1,109,157,628.20x = 1,530,685,356.41 × 614,120,380.44
  4. Step 4: Simplify right side
    1,109,157,628.20x = 940,025,073,409,375,616
  5. Step 5: Solve for x
    x = 940,025,073,409,375,616/1,109,157,628.20
  6. Step 6: Final answer
    x = 847,512,607.32

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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.