Home / 1,259,345,425.20-1,889,814,400.20-741,774,865.20

Finding the Fourth Proportional to 1,259,345,425.20, 1,889,814,400.20 and 741,774,865.20

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Solution

The fourth proportional to 1,259,345,425.20, 1,889,814,400.20 and 741,774,865.20 is: 1,113,131,309.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,345,425.20 : 1,889,814,400.20 = 741,774,865.20 : x
  2. Step 2: Convert to fraction form
    1,259,345,425.20/1,889,814,400.20 = 741,774,865.20/x
  3. Step 3: Cross multiply
    1,259,345,425.20x = 1,889,814,400.20 × 741,774,865.20
  4. Step 4: Simplify right side
    1,259,345,425.20x = 1,401,816,821,961,373,952
  5. Step 5: Solve for x
    x = 1,401,816,821,961,373,952/1,259,345,425.20
  6. Step 6: Final answer
    x = 1,113,131,309.26

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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.