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Finding the Fourth Proportional to 539,796,710.40, 809,695,065.60 and 335,723,366.40

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Solution

The fourth proportional to 539,796,710.40, 809,695,065.60 and 335,723,366.40 is: 503,585,049.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,796,710.40 : 809,695,065.60 = 335,723,366.40 : x
  2. Step 2: Convert to fraction form
    539,796,710.40/809,695,065.60 = 335,723,366.40/x
  3. Step 3: Cross multiply
    539,796,710.40x = 809,695,065.60 × 335,723,366.40
  4. Step 4: Simplify right side
    539,796,710.40x = 271,833,553,180,700,832
  5. Step 5: Solve for x
    x = 271,833,553,180,700,832/539,796,710.40
  6. Step 6: Final answer
    x = 503,585,049.60

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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.