Home / 1,031,080,142.20-1,422,890,517.28-561,184,832.28

Finding the Fourth Proportional to 1,031,080,142.20, 1,422,890,517.28 and 561,184,832.28

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Solution

The fourth proportional to 1,031,080,142.20, 1,422,890,517.28 and 561,184,832.28 is: 774,435,025.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,080,142.20 : 1,422,890,517.28 = 561,184,832.28 : x
  2. Step 2: Convert to fraction form
    1,031,080,142.20/1,422,890,517.28 = 561,184,832.28/x
  3. Step 3: Cross multiply
    1,031,080,142.20x = 1,422,890,517.28 × 561,184,832.28
  4. Step 4: Simplify right side
    1,031,080,142.20x = 798,504,576,292,579,200
  5. Step 5: Solve for x
    x = 798,504,576,292,579,200/1,031,080,142.20
  6. Step 6: Final answer
    x = 774,435,025.57

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Double scale
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1.5x scale

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.