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Finding the Fourth Proportional to 565,834,626.20, 848,751,939.30 and 539,049,999.80

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Solution

The fourth proportional to 565,834,626.20, 848,751,939.30 and 539,049,999.80 is: 808,574,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,834,626.20 : 848,751,939.30 = 539,049,999.80 : x
  2. Step 2: Convert to fraction form
    565,834,626.20/848,751,939.30 = 539,049,999.80/x
  3. Step 3: Cross multiply
    565,834,626.20x = 848,751,939.30 × 539,049,999.80
  4. Step 4: Simplify right side
    565,834,626.20x = 457,519,732,709,914,560
  5. Step 5: Solve for x
    x = 457,519,732,709,914,560/565,834,626.20
  6. Step 6: Final answer
    x = 808,574,999.70

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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.