Home / 7,896,906,194.33-11,845,239,718.35-1,921,088,640.71

Finding the Fourth Proportional to 7,896,906,194.33, 11,845,239,718.35 and 1,921,088,640.71

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Solution

The fourth proportional to 7,896,906,194.33, 11,845,239,718.35 and 1,921,088,640.71 is: 2,881,603,872.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,896,906,194.33 : 11,845,239,718.35 = 1,921,088,640.71 : x
  2. Step 2: Convert to fraction form
    7,896,906,194.33/11,845,239,718.35 = 1,921,088,640.71/x
  3. Step 3: Cross multiply
    7,896,906,194.33x = 11,845,239,718.35 × 1,921,088,640.71
  4. Step 4: Simplify right side
    7,896,906,194.33x = 22,755,755,469,446,402,048
  5. Step 5: Solve for x
    x = 22,755,755,469,446,402,048/7,896,906,194.33
  6. Step 6: Final answer
    x = 2,881,603,872.38

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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.