Home / 769,572,560.22-1,154,342,667.42-187,310,054.22

Finding the Fourth Proportional to 769,572,560.22, 1,154,342,667.42 and 187,310,054.22

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Solution

The fourth proportional to 769,572,560.22, 1,154,342,667.42 and 187,310,054.22 is: 280,961,144.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,572,560.22 : 1,154,342,667.42 = 187,310,054.22 : x
  2. Step 2: Convert to fraction form
    769,572,560.22/1,154,342,667.42 = 187,310,054.22/x
  3. Step 3: Cross multiply
    769,572,560.22x = 1,154,342,667.42 × 187,310,054.22
  4. Step 4: Simplify right side
    769,572,560.22x = 216,219,987,622,899,648
  5. Step 5: Solve for x
    x = 216,219,987,622,899,648/769,572,560.22
  6. Step 6: Final answer
    x = 280,961,144.93

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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.