Home / 1,755,626,105.76-2,420,420,278.68-1,394,717,568.54

Finding the Fourth Proportional to 1,755,626,105.76, 2,420,420,278.68 and 1,394,717,568.54

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Solution

The fourth proportional to 1,755,626,105.76, 2,420,420,278.68 and 1,394,717,568.54 is: 1,922,848,307.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,755,626,105.76 : 2,420,420,278.68 = 1,394,717,568.54 : x
  2. Step 2: Convert to fraction form
    1,755,626,105.76/2,420,420,278.68 = 1,394,717,568.54/x
  3. Step 3: Cross multiply
    1,755,626,105.76x = 2,420,420,278.68 × 1,394,717,568.54
  4. Step 4: Simplify right side
    1,755,626,105.76x = 3,375,802,685,925,478,400
  5. Step 5: Solve for x
    x = 3,375,802,685,925,478,400/1,755,626,105.76
  6. Step 6: Final answer
    x = 1,922,848,307.42

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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.