Home / 1,905,395,764.22-2,857,776,640.62-577,107,997.52

Finding the Fourth Proportional to 1,905,395,764.22, 2,857,776,640.62 and 577,107,997.52

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Solution

The fourth proportional to 1,905,395,764.22, 2,857,776,640.62 and 577,107,997.52 is: 865,565,981.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,905,395,764.22 : 2,857,776,640.62 = 577,107,997.52 : x
  2. Step 2: Convert to fraction form
    1,905,395,764.22/2,857,776,640.62 = 577,107,997.52/x
  3. Step 3: Cross multiply
    1,905,395,764.22x = 2,857,776,640.62 × 577,107,997.52
  4. Step 4: Simplify right side
    1,905,395,764.22x = 1,649,245,754,427,640,832
  5. Step 5: Solve for x
    x = 1,649,245,754,427,640,832/1,905,395,764.22
  6. Step 6: Final answer
    x = 865,565,981.30

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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.