Home / 19,161,328,924.77-28,743,008,439.33-5,905,691,721.15

Finding the Fourth Proportional to 19,161,328,924.77, 28,743,008,439.33 and 5,905,691,721.15

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Solution

The fourth proportional to 19,161,328,924.77, 28,743,008,439.33 and 5,905,691,721.15 is: 8,858,850,429.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,161,328,924.77 : 28,743,008,439.33 = 5,905,691,721.15 : x
  2. Step 2: Convert to fraction form
    19,161,328,924.77/28,743,008,439.33 = 5,905,691,721.15/x
  3. Step 3: Cross multiply
    19,161,328,924.77x = 28,743,008,439.33 × 5,905,691,721.15
  4. Step 4: Simplify right side
    19,161,328,924.77x = 169,747,346,981,170,970,624
  5. Step 5: Solve for x
    x = 169,747,346,981,170,970,624/19,161,328,924.77
  6. Step 6: Final answer
    x = 8,858,850,429.82

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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.