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Finding the Fourth Proportional to 1,733,876,428.40, 2,392,751,035.56 and 940,922,415.20

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Solution

The fourth proportional to 1,733,876,428.40, 2,392,751,035.56 and 940,922,415.20 is: 1,298,473,781.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,733,876,428.40 : 2,392,751,035.56 = 940,922,415.20 : x
  2. Step 2: Convert to fraction form
    1,733,876,428.40/2,392,751,035.56 = 940,922,415.20/x
  3. Step 3: Cross multiply
    1,733,876,428.40x = 2,392,751,035.56 × 940,922,415.20
  4. Step 4: Simplify right side
    1,733,876,428.40x = 2,251,393,083,351,416,320
  5. Step 5: Solve for x
    x = 2,251,393,083,351,416,320/1,733,876,428.40
  6. Step 6: Final answer
    x = 1,298,473,781.91

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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.