Home / 1,505,062,571.80-2,076,517,768.78-869,751,612.88

Finding the Fourth Proportional to 1,505,062,571.80, 2,076,517,768.78 and 869,751,612.88

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Solution

The fourth proportional to 1,505,062,571.80, 2,076,517,768.78 and 869,751,612.88 is: 1,199,986,440.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,062,571.80 : 2,076,517,768.78 = 869,751,612.88 : x
  2. Step 2: Convert to fraction form
    1,505,062,571.80/2,076,517,768.78 = 869,751,612.88/x
  3. Step 3: Cross multiply
    1,505,062,571.80x = 2,076,517,768.78 × 869,751,612.88
  4. Step 4: Simplify right side
    1,505,062,571.80x = 1,806,054,678,570,383,872
  5. Step 5: Solve for x
    x = 1,806,054,678,570,383,872/1,505,062,571.80
  6. Step 6: Final answer
    x = 1,199,986,440.70

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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.