Home / 1,638,794,538.70-2,458,191,808.05-1,449,388,966.30

Finding the Fourth Proportional to 1,638,794,538.70, 2,458,191,808.05 and 1,449,388,966.30

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Solution

The fourth proportional to 1,638,794,538.70, 2,458,191,808.05 and 1,449,388,966.30 is: 2,174,083,449.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,794,538.70 : 2,458,191,808.05 = 1,449,388,966.30 : x
  2. Step 2: Convert to fraction form
    1,638,794,538.70/2,458,191,808.05 = 1,449,388,966.30/x
  3. Step 3: Cross multiply
    1,638,794,538.70x = 2,458,191,808.05 × 1,449,388,966.30
  4. Step 4: Simplify right side
    1,638,794,538.70x = 3,562,876,083,636,717,568
  5. Step 5: Solve for x
    x = 3,562,876,083,636,717,568/1,638,794,538.70
  6. Step 6: Final answer
    x = 2,174,083,449.45

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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.