Home / 320,203,629.20-441,928,395.24-202,739,878.64

Finding the Fourth Proportional to 320,203,629.20, 441,928,395.24 and 202,739,878.64

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Solution

The fourth proportional to 320,203,629.20, 441,928,395.24 and 202,739,878.64 is: 279,811,036.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,203,629.20 : 441,928,395.24 = 202,739,878.64 : x
  2. Step 2: Convert to fraction form
    320,203,629.20/441,928,395.24 = 202,739,878.64/x
  3. Step 3: Cross multiply
    320,203,629.20x = 441,928,395.24 × 202,739,878.64
  4. Step 4: Simplify right side
    320,203,629.20x = 89,596,509,218,527,552
  5. Step 5: Solve for x
    x = 89,596,509,218,527,552/320,203,629.20
  6. Step 6: Final answer
    x = 279,811,036.00

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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.