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Finding the Fourth Proportional to 568,353,019.80, 852,529,529.70 and 384,687,010.20

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Solution

The fourth proportional to 568,353,019.80, 852,529,529.70 and 384,687,010.20 is: 577,030,515.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,353,019.80 : 852,529,529.70 = 384,687,010.20 : x
  2. Step 2: Convert to fraction form
    568,353,019.80/852,529,529.70 = 384,687,010.20/x
  3. Step 3: Cross multiply
    568,353,019.80x = 852,529,529.70 × 384,687,010.20
  4. Step 4: Simplify right side
    568,353,019.80x = 327,957,035,887,505,088
  5. Step 5: Solve for x
    x = 327,957,035,887,505,088/568,353,019.80
  6. Step 6: Final answer
    x = 577,030,515.30

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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.