Home / 1,986,367,853.64-2,978,517,196.86-936,824,254.44

Finding the Fourth Proportional to 1,986,367,853.64, 2,978,517,196.86 and 936,824,254.44

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Solution

The fourth proportional to 1,986,367,853.64, 2,978,517,196.86 and 936,824,254.44 is: 1,404,748,444.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,986,367,853.64 : 2,978,517,196.86 = 936,824,254.44 : x
  2. Step 2: Convert to fraction form
    1,986,367,853.64/2,978,517,196.86 = 936,824,254.44/x
  3. Step 3: Cross multiply
    1,986,367,853.64x = 2,978,517,196.86 × 936,824,254.44
  4. Step 4: Simplify right side
    1,986,367,853.64x = 2,790,347,152,285,088,256
  5. Step 5: Solve for x
    x = 2,790,347,152,285,088,256/1,986,367,853.64
  6. Step 6: Final answer
    x = 1,404,748,444.34

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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.