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Finding the Fourth Proportional to 577,368,125.70, 866,052,188.55 and 565,889,000.10

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Solution

The fourth proportional to 577,368,125.70, 866,052,188.55 and 565,889,000.10 is: 848,833,500.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,368,125.70 : 866,052,188.55 = 565,889,000.10 : x
  2. Step 2: Convert to fraction form
    577,368,125.70/866,052,188.55 = 565,889,000.10/x
  3. Step 3: Cross multiply
    577,368,125.70x = 866,052,188.55 × 565,889,000.10
  4. Step 4: Simplify right side
    577,368,125.70x = 490,089,407,012,976,192
  5. Step 5: Solve for x
    x = 490,089,407,012,976,192/577,368,125.70
  6. Step 6: Final answer
    x = 848,833,500.15

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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.