Home / 5,236,962,722.06-7,227,177,186.39-2,978,844,368.90

Finding the Fourth Proportional to 5,236,962,722.06, 7,227,177,186.39 and 2,978,844,368.90

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Solution

The fourth proportional to 5,236,962,722.06, 7,227,177,186.39 and 2,978,844,368.90 is: 4,110,901,147.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236,962,722.06 : 7,227,177,186.39 = 2,978,844,368.90 : x
  2. Step 2: Convert to fraction form
    5,236,962,722.06/7,227,177,186.39 = 2,978,844,368.90/x
  3. Step 3: Cross multiply
    5,236,962,722.06x = 7,227,177,186.39 × 2,978,844,368.90
  4. Step 4: Simplify right side
    5,236,962,722.06x = 21,528,636,064,720,400,384
  5. Step 5: Solve for x
    x = 21,528,636,064,720,400,384/5,236,962,722.06
  6. Step 6: Final answer
    x = 4,110,901,147.73

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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.