Home / 3,686,131,855.40-5,533,132,518.97-1,588,643,381.41

Finding the Fourth Proportional to 3,686,131,855.40, 5,533,132,518.97 and 1,588,643,381.41

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Solution

The fourth proportional to 3,686,131,855.40, 5,533,132,518.97 and 1,588,643,381.41 is: 2,384,660,858.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,686,131,855.40 : 5,533,132,518.97 = 1,588,643,381.41 : x
  2. Step 2: Convert to fraction form
    3,686,131,855.40/5,533,132,518.97 = 1,588,643,381.41/x
  3. Step 3: Cross multiply
    3,686,131,855.40x = 5,533,132,518.97 × 1,588,643,381.41
  4. Step 4: Simplify right side
    3,686,131,855.40x = 8,790,174,354,726,132,736
  5. Step 5: Solve for x
    x = 8,790,174,354,726,132,736/3,686,131,855.40
  6. Step 6: Final answer
    x = 2,384,660,858.47

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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.