Home / 839,622,102-1,158,622,513.56-482,401,371.12

Finding the Fourth Proportional to 839,622,102, 1,158,622,513.56 and 482,401,371.12

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Solution

The fourth proportional to 839,622,102, 1,158,622,513.56 and 482,401,371.12 is: 665,681,724.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,622,102 : 1,158,622,513.56 = 482,401,371.12 : x
  2. Step 2: Convert to fraction form
    839,622,102/1,158,622,513.56 = 482,401,371.12/x
  3. Step 3: Cross multiply
    839,622,102x = 1,158,622,513.56 × 482,401,371.12
  4. Step 4: Simplify right side
    839,622,102x = 558,921,089,151,844,800
  5. Step 5: Solve for x
    x = 558,921,089,151,844,800/839,622,102
  6. Step 6: Final answer
    x = 665,681,724.93

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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.