Home / 2,080,139,343.40-3,120,209,015.10-699,494,991.40

Finding the Fourth Proportional to 2,080,139,343.40, 3,120,209,015.10 and 699,494,991.40

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Solution

The fourth proportional to 2,080,139,343.40, 3,120,209,015.10 and 699,494,991.40 is: 1,049,242,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,139,343.40 : 3,120,209,015.10 = 699,494,991.40 : x
  2. Step 2: Convert to fraction form
    2,080,139,343.40/3,120,209,015.10 = 699,494,991.40/x
  3. Step 3: Cross multiply
    2,080,139,343.40x = 3,120,209,015.10 × 699,494,991.40
  4. Step 4: Simplify right side
    2,080,139,343.40x = 2,182,570,578,183,576,832
  5. Step 5: Solve for x
    x = 2,182,570,578,183,576,832/2,080,139,343.40
  6. Step 6: Final answer
    x = 1,049,242,487.10

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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.