Home / 1,576,199,655.20-2,364,523,431.60-485,568,999.20

Finding the Fourth Proportional to 1,576,199,655.20, 2,364,523,431.60 and 485,568,999.20

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Solution

The fourth proportional to 1,576,199,655.20, 2,364,523,431.60 and 485,568,999.20 is: 728,422,489.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,576,199,655.20 : 2,364,523,431.60 = 485,568,999.20 : x
  2. Step 2: Convert to fraction form
    1,576,199,655.20/2,364,523,431.60 = 485,568,999.20/x
  3. Step 3: Cross multiply
    1,576,199,655.20x = 2,364,523,431.60 × 485,568,999.20
  4. Step 4: Simplify right side
    1,576,199,655.20x = 1,148,139,276,266,961,536
  5. Step 5: Solve for x
    x = 1,148,139,276,266,961,536/1,576,199,655.20
  6. Step 6: Final answer
    x = 728,422,489.17

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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.