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Finding the Fourth Proportional to 573,697,558.20, 858,764,993.00 and 310,728,974.88

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Solution

The fourth proportional to 573,697,558.20, 858,764,993.00 and 310,728,974.88 is: 465,128,641.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,697,558.20 : 858,764,993.00 = 310,728,974.88 : x
  2. Step 2: Convert to fraction form
    573,697,558.20/858,764,993.00 = 310,728,974.88/x
  3. Step 3: Cross multiply
    573,697,558.20x = 858,764,993.00 × 310,728,974.88
  4. Step 4: Simplify right side
    573,697,558.20x = 266,843,165,941,136,544
  5. Step 5: Solve for x
    x = 266,843,165,941,136,544/573,697,558.20
  6. Step 6: Final answer
    x = 465,128,641.61

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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.