Home / 1,890,161,287.20-2,834,391,625.20-725,242,615.20

Finding the Fourth Proportional to 1,890,161,287.20, 2,834,391,625.20 and 725,242,615.20

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Solution

The fourth proportional to 1,890,161,287.20, 2,834,391,625.20 and 725,242,615.20 is: 1,087,537,666.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,890,161,287.20 : 2,834,391,625.20 = 725,242,615.20 : x
  2. Step 2: Convert to fraction form
    1,890,161,287.20/2,834,391,625.20 = 725,242,615.20/x
  3. Step 3: Cross multiply
    1,890,161,287.20x = 2,834,391,625.20 × 725,242,615.20
  4. Step 4: Simplify right side
    1,890,161,287.20x = 2,055,621,594,761,026,304
  5. Step 5: Solve for x
    x = 2,055,621,594,761,026,304/1,890,161,287.20
  6. Step 6: Final answer
    x = 1,087,537,666.06

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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.