Home / 1,729,688,760.66-2,386,940,987.94-936,728,296.50

Finding the Fourth Proportional to 1,729,688,760.66, 2,386,940,987.94 and 936,728,296.50

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Solution

The fourth proportional to 1,729,688,760.66, 2,386,940,987.94 and 936,728,296.50 is: 1,292,669,072.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,729,688,760.66 : 2,386,940,987.94 = 936,728,296.50 : x
  2. Step 2: Convert to fraction form
    1,729,688,760.66/2,386,940,987.94 = 936,728,296.50/x
  3. Step 3: Cross multiply
    1,729,688,760.66x = 2,386,940,987.94 × 936,728,296.50
  4. Step 4: Simplify right side
    1,729,688,760.66x = 2,235,915,165,479,063,296
  5. Step 5: Solve for x
    x = 2,235,915,165,479,063,296/1,729,688,760.66
  6. Step 6: Final answer
    x = 1,292,669,072.22

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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.