Home / 1,439,521,081,092.80-1,986,538,612,423.20-789,185,701,659.90

Finding the Fourth Proportional to 1,439,521,081,092.80, 1,986,538,612,423.20 and 789,185,701,659.90

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Solution

The fourth proportional to 1,439,521,081,092.80, 1,986,538,612,423.20 and 789,185,701,659.90 is: 1,089,076,005,423.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,521,081,092.80 : 1,986,538,612,423.20 = 789,185,701,659.90 : x
  2. Step 2: Convert to fraction form
    1,439,521,081,092.80/1,986,538,612,423.20 = 789,185,701,659.90/x
  3. Step 3: Cross multiply
    1,439,521,081,092.80x = 1,986,538,612,423.20 × 789,185,701,659.90
  4. Step 4: Simplify right side
    1,439,521,081,092.80x = 1,567,747,868,719,687,147,716,608
  5. Step 5: Solve for x
    x = 1,567,747,868,719,687,147,716,608/1,439,521,081,092.80
  6. Step 6: Final answer
    x = 1,089,076,005,423.65

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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.