Home / 598,781,465.10-826,008,910.59-378,892,436.94

Finding the Fourth Proportional to 598,781,465.10, 826,008,910.59 and 378,892,436.94

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Solution

The fourth proportional to 598,781,465.10, 826,008,910.59 and 378,892,436.94 is: 522,675,712.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,781,465.10 : 826,008,910.59 = 378,892,436.94 : x
  2. Step 2: Convert to fraction form
    598,781,465.10/826,008,910.59 = 378,892,436.94/x
  3. Step 3: Cross multiply
    598,781,465.10x = 826,008,910.59 × 378,892,436.94
  4. Step 4: Simplify right side
    598,781,465.10x = 312,968,529,067,599,680
  5. Step 5: Solve for x
    x = 312,968,529,067,599,680/598,781,465.10
  6. Step 6: Final answer
    x = 522,675,712.77

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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.