Home / 1,198,303,416.32-1,653,515,496.12-662,382,686.48

Finding the Fourth Proportional to 1,198,303,416.32, 1,653,515,496.12 and 662,382,686.48

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Solution

The fourth proportional to 1,198,303,416.32, 1,653,515,496.12 and 662,382,686.48 is: 914,008,940.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,303,416.32 : 1,653,515,496.12 = 662,382,686.48 : x
  2. Step 2: Convert to fraction form
    1,198,303,416.32/1,653,515,496.12 = 662,382,686.48/x
  3. Step 3: Cross multiply
    1,198,303,416.32x = 1,653,515,496.12 × 662,382,686.48
  4. Step 4: Simplify right side
    1,198,303,416.32x = 1,095,260,036,456,275,584
  5. Step 5: Solve for x
    x = 1,095,260,036,456,275,584/1,198,303,416.32
  6. Step 6: Final answer
    x = 914,008,940.92

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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.