Home / 417,720,321.06-576,328,334.94-250,395,530.56

Finding the Fourth Proportional to 417,720,321.06, 576,328,334.94 and 250,395,530.56

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Solution

The fourth proportional to 417,720,321.06, 576,328,334.94 and 250,395,530.56 is: 345,470,478.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,720,321.06 : 576,328,334.94 = 250,395,530.56 : x
  2. Step 2: Convert to fraction form
    417,720,321.06/576,328,334.94 = 250,395,530.56/x
  3. Step 3: Cross multiply
    417,720,321.06x = 576,328,334.94 × 250,395,530.56
  4. Step 4: Simplify right side
    417,720,321.06x = 144,310,039,202,621,888
  5. Step 5: Solve for x
    x = 144,310,039,202,621,888/417,720,321.06
  6. Step 6: Final answer
    x = 345,470,478.52

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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.