Home / 515,195,311,544.73-773,145,968,287.11-179,810,236,893.69

Finding the Fourth Proportional to 515,195,311,544.73, 773,145,968,287.11 and 179,810,236,893.69

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Solution

The fourth proportional to 515,195,311,544.73, 773,145,968,287.11 and 179,810,236,893.69 is: 269,838,557,525.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,195,311,544.73 : 773,145,968,287.11 = 179,810,236,893.69 : x
  2. Step 2: Convert to fraction form
    515,195,311,544.73/773,145,968,287.11 = 179,810,236,893.69/x
  3. Step 3: Cross multiply
    515,195,311,544.73x = 773,145,968,287.11 × 179,810,236,893.69
  4. Step 4: Simplify right side
    515,195,311,544.73x = 139,019,559,711,106,582,708,224
  5. Step 5: Solve for x
    x = 139,019,559,711,106,582,708,224/515,195,311,544.73
  6. Step 6: Final answer
    x = 269,838,557,525.45

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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.