Home / 457,049,959.28-685,485,668.28-146,074,158.08

Finding the Fourth Proportional to 457,049,959.28, 685,485,668.28 and 146,074,158.08

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Solution

The fourth proportional to 457,049,959.28, 685,485,668.28 and 146,074,158.08 is: 219,082,706.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,049,959.28 : 685,485,668.28 = 146,074,158.08 : x
  2. Step 2: Convert to fraction form
    457,049,959.28/685,485,668.28 = 146,074,158.08/x
  3. Step 3: Cross multiply
    457,049,959.28x = 685,485,668.28 × 146,074,158.08
  4. Step 4: Simplify right side
    457,049,959.28x = 100,131,741,869,907,168
  5. Step 5: Solve for x
    x = 100,131,741,869,907,168/457,049,959.28
  6. Step 6: Final answer
    x = 219,082,706.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.