Home / 2,831,279,571.54-3,908,839,907.40-2,517,144,621.48

Finding the Fourth Proportional to 2,831,279,571.54, 3,908,839,907.40 and 2,517,144,621.48

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Solution

The fourth proportional to 2,831,279,571.54, 3,908,839,907.40 and 2,517,144,621.48 is: 3,475,147,932.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,831,279,571.54 : 3,908,839,907.40 = 2,517,144,621.48 : x
  2. Step 2: Convert to fraction form
    2,831,279,571.54/3,908,839,907.40 = 2,517,144,621.48/x
  3. Step 3: Cross multiply
    2,831,279,571.54x = 3,908,839,907.40 × 2,517,144,621.48
  4. Step 4: Simplify right side
    2,831,279,571.54x = 9,839,115,349,138,290,688
  5. Step 5: Solve for x
    x = 9,839,115,349,138,290,688/2,831,279,571.54
  6. Step 6: Final answer
    x = 3,475,147,932.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.