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Finding the Fourth Proportional to 565,522,378.60, 848,283,567.90 and 156,578,529.10

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Solution

The fourth proportional to 565,522,378.60, 848,283,567.90 and 156,578,529.10 is: 234,867,793.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,522,378.60 : 848,283,567.90 = 156,578,529.10 : x
  2. Step 2: Convert to fraction form
    565,522,378.60/848,283,567.90 = 156,578,529.10/x
  3. Step 3: Cross multiply
    565,522,378.60x = 848,283,567.90 × 156,578,529.10
  4. Step 4: Simplify right side
    565,522,378.60x = 132,822,993,321,481,968
  5. Step 5: Solve for x
    x = 132,822,993,321,481,968/565,522,378.60
  6. Step 6: Final answer
    x = 234,867,793.65

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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.