Home / 1,291,747,580.20-1,936,298,672.70-635,689,570.60

Finding the Fourth Proportional to 1,291,747,580.20, 1,936,298,672.70 and 635,689,570.60

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Solution

The fourth proportional to 1,291,747,580.20, 1,936,298,672.70 and 635,689,570.60 is: 952,883,435.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,747,580.20 : 1,936,298,672.70 = 635,689,570.60 : x
  2. Step 2: Convert to fraction form
    1,291,747,580.20/1,936,298,672.70 = 635,689,570.60/x
  3. Step 3: Cross multiply
    1,291,747,580.20x = 1,936,298,672.70 × 635,689,570.60
  4. Step 4: Simplify right side
    1,291,747,580.20x = 1,230,884,871,802,012,928
  5. Step 5: Solve for x
    x = 1,230,884,871,802,012,928/1,291,747,580.20
  6. Step 6: Final answer
    x = 952,883,435.33

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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.