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Finding the Fourth Proportional to 329,688,986, 454,971,695.92 and 181,019,736.56

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Solution

The fourth proportional to 329,688,986, 454,971,695.92 and 181,019,736.56 is: 249,807,728.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,688,986 : 454,971,695.92 = 181,019,736.56 : x
  2. Step 2: Convert to fraction form
    329,688,986/454,971,695.92 = 181,019,736.56/x
  3. Step 3: Cross multiply
    329,688,986x = 454,971,695.92 × 181,019,736.56
  4. Step 4: Simplify right side
    329,688,986x = 82,358,856,537,694,832
  5. Step 5: Solve for x
    x = 82,358,856,537,694,832/329,688,986
  6. Step 6: Final answer
    x = 249,807,728.00

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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.