Home / 3,986,263,240.40-5,979,394,860.60-3,756,680,728.40

Finding the Fourth Proportional to 3,986,263,240.40, 5,979,394,860.60 and 3,756,680,728.40

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Solution

The fourth proportional to 3,986,263,240.40, 5,979,394,860.60 and 3,756,680,728.40 is: 5,635,021,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,986,263,240.40 : 5,979,394,860.60 = 3,756,680,728.40 : x
  2. Step 2: Convert to fraction form
    3,986,263,240.40/5,979,394,860.60 = 3,756,680,728.40/x
  3. Step 3: Cross multiply
    3,986,263,240.40x = 5,979,394,860.60 × 3,756,680,728.40
  4. Step 4: Simplify right side
    3,986,263,240.40x = 22,462,677,440,310,026,240
  5. Step 5: Solve for x
    x = 22,462,677,440,310,026,240/3,986,263,240.40
  6. Step 6: Final answer
    x = 5,635,021,092.60

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1.5x scale

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.