Home / 7,916,839,390.53-11,869,501,398.44-3,717,628,393.86

Finding the Fourth Proportional to 7,916,839,390.53, 11,869,501,398.44 and 3,717,628,393.86

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Solution

The fourth proportional to 7,916,839,390.53, 11,869,501,398.44 and 3,717,628,393.86 is: 5,573,738,867.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,916,839,390.53 : 11,869,501,398.44 = 3,717,628,393.86 : x
  2. Step 2: Convert to fraction form
    7,916,839,390.53/11,869,501,398.44 = 3,717,628,393.86/x
  3. Step 3: Cross multiply
    7,916,839,390.53x = 11,869,501,398.44 × 3,717,628,393.86
  4. Step 4: Simplify right side
    7,916,839,390.53x = 44,126,395,419,782,930,432
  5. Step 5: Solve for x
    x = 44,126,395,419,782,930,432/7,916,839,390.53
  6. Step 6: Final answer
    x = 5,573,738,867.63

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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.