Home / 2,080,139,347.40-3,120,209,021.10-699,494,995.40

Finding the Fourth Proportional to 2,080,139,347.40, 3,120,209,021.10 and 699,494,995.40

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Solution

The fourth proportional to 2,080,139,347.40, 3,120,209,021.10 and 699,494,995.40 is: 1,049,242,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,139,347.40 : 3,120,209,021.10 = 699,494,995.40 : x
  2. Step 2: Convert to fraction form
    2,080,139,347.40/3,120,209,021.10 = 699,494,995.40/x
  3. Step 3: Cross multiply
    2,080,139,347.40x = 3,120,209,021.10 × 699,494,995.40
  4. Step 4: Simplify right side
    2,080,139,347.40x = 2,182,570,594,861,382,912
  5. Step 5: Solve for x
    x = 2,182,570,594,861,382,912/2,080,139,347.40
  6. Step 6: Final answer
    x = 1,049,242,493.10

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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.