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Finding the Fourth Proportional to 336,801,807.20, 505,202,710.80 and 295,147,330.40

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Solution

The fourth proportional to 336,801,807.20, 505,202,710.80 and 295,147,330.40 is: 442,720,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,801,807.20 : 505,202,710.80 = 295,147,330.40 : x
  2. Step 2: Convert to fraction form
    336,801,807.20/505,202,710.80 = 295,147,330.40/x
  3. Step 3: Cross multiply
    336,801,807.20x = 505,202,710.80 × 295,147,330.40
  4. Step 4: Simplify right side
    336,801,807.20x = 149,109,231,403,463,232
  5. Step 5: Solve for x
    x = 149,109,231,403,463,232/336,801,807.20
  6. Step 6: Final answer
    x = 442,720,995.60

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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.