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Finding the Fourth Proportional to 609,399,894.69, 913,980,814.56 and 194,765,493.06

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Solution

The fourth proportional to 609,399,894.69, 913,980,814.56 and 194,765,493.06 is: 292,110,198.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,399,894.69 : 913,980,814.56 = 194,765,493.06 : x
  2. Step 2: Convert to fraction form
    609,399,894.69/913,980,814.56 = 194,765,493.06/x
  3. Step 3: Cross multiply
    609,399,894.69x = 913,980,814.56 × 194,765,493.06
  4. Step 4: Simplify right side
    609,399,894.69x = 178,011,923,995,158,816
  5. Step 5: Solve for x
    x = 178,011,923,995,158,816/609,399,894.69
  6. Step 6: Final answer
    x = 292,110,198.16

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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.