Home / 792,087,997.77-1,188,375,282.18-378,093,096.81

Finding the Fourth Proportional to 792,087,997.77, 1,188,375,282.18 and 378,093,096.81

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Solution

The fourth proportional to 792,087,997.77, 1,188,375,282.18 and 378,093,096.81 is: 567,255,774.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,087,997.77 : 1,188,375,282.18 = 378,093,096.81 : x
  2. Step 2: Convert to fraction form
    792,087,997.77/1,188,375,282.18 = 378,093,096.81/x
  3. Step 3: Cross multiply
    792,087,997.77x = 1,188,375,282.18 × 378,093,096.81
  4. Step 4: Simplify right side
    792,087,997.77x = 449,316,490,611,893,824
  5. Step 5: Solve for x
    x = 449,316,490,611,893,824/792,087,997.77
  6. Step 6: Final answer
    x = 567,255,774.46

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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.