Home / 1,505,062,570.80-2,076,517,767.40-869,751,611.88

Finding the Fourth Proportional to 1,505,062,570.80, 2,076,517,767.40 and 869,751,611.88

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Solution

The fourth proportional to 1,505,062,570.80, 2,076,517,767.40 and 869,751,611.88 is: 1,199,986,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,062,570.80 : 2,076,517,767.40 = 869,751,611.88 : x
  2. Step 2: Convert to fraction form
    1,505,062,570.80/2,076,517,767.40 = 869,751,611.88/x
  3. Step 3: Cross multiply
    1,505,062,570.80x = 2,076,517,767.40 × 869,751,611.88
  4. Step 4: Simplify right side
    1,505,062,570.80x = 1,806,054,675,293,608,960
  5. Step 5: Solve for x
    x = 1,806,054,675,293,608,960/1,505,062,570.80
  6. Step 6: Final answer
    x = 1,199,986,439.32

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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.