Home / 1,109,157,629.20-1,530,685,357.79-614,120,381.44

Finding the Fourth Proportional to 1,109,157,629.20, 1,530,685,357.79 and 614,120,381.44

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Solution

The fourth proportional to 1,109,157,629.20, 1,530,685,357.79 and 614,120,381.44 is: 847,512,608.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,157,629.20 : 1,530,685,357.79 = 614,120,381.44 : x
  2. Step 2: Convert to fraction form
    1,109,157,629.20/1,530,685,357.79 = 614,120,381.44/x
  3. Step 3: Cross multiply
    1,109,157,629.20x = 1,530,685,357.79 × 614,120,381.44
  4. Step 4: Simplify right side
    1,109,157,629.20x = 940,025,075,790,617,728
  5. Step 5: Solve for x
    x = 940,025,075,790,617,728/1,109,157,629.20
  6. Step 6: Final answer
    x = 847,512,608.71

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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.