Home / 365,650,994.52-548,153,637.82-279,772,786.12

Finding the Fourth Proportional to 365,650,994.52, 548,153,637.82 and 279,772,786.12

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Solution

The fourth proportional to 365,650,994.52, 548,153,637.82 and 279,772,786.12 is: 419,412,151.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,650,994.52 : 548,153,637.82 = 279,772,786.12 : x
  2. Step 2: Convert to fraction form
    365,650,994.52/548,153,637.82 = 279,772,786.12/x
  3. Step 3: Cross multiply
    365,650,994.52x = 548,153,637.82 × 279,772,786.12
  4. Step 4: Simplify right side
    365,650,994.52x = 153,358,470,474,714,816
  5. Step 5: Solve for x
    x = 153,358,470,474,714,816/365,650,994.52
  6. Step 6: Final answer
    x = 419,412,151.95

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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.