Home / 3,419,353,853.74-4,718,756,509.24-1,970,128,760.82

Finding the Fourth Proportional to 3,419,353,853.74, 4,718,756,509.24 and 1,970,128,760.82

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Solution

The fourth proportional to 3,419,353,853.74, 4,718,756,509.24 and 1,970,128,760.82 is: 2,718,805,456.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,419,353,853.74 : 4,718,756,509.24 = 1,970,128,760.82 : x
  2. Step 2: Convert to fraction form
    3,419,353,853.74/4,718,756,509.24 = 1,970,128,760.82/x
  3. Step 3: Cross multiply
    3,419,353,853.74x = 4,718,756,509.24 × 1,970,128,760.82
  4. Step 4: Simplify right side
    3,419,353,853.74x = 9,296,557,914,160,310,272
  5. Step 5: Solve for x
    x = 9,296,557,914,160,310,272/3,419,353,853.74
  6. Step 6: Final answer
    x = 2,718,805,456.18

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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.