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Finding the Fourth Proportional to 539,796,692.40, 809,695,038.60 and 335,723,348.40

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Solution

The fourth proportional to 539,796,692.40, 809,695,038.60 and 335,723,348.40 is: 503,585,022.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,796,692.40 : 809,695,038.60 = 335,723,348.40 : x
  2. Step 2: Convert to fraction form
    539,796,692.40/809,695,038.60 = 335,723,348.40/x
  3. Step 3: Cross multiply
    539,796,692.40x = 809,695,038.60 × 335,723,348.40
  4. Step 4: Simplify right side
    539,796,692.40x = 271,833,529,541,659,232
  5. Step 5: Solve for x
    x = 271,833,529,541,659,232/539,796,692.40
  6. Step 6: Final answer
    x = 503,585,022.60

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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.