Home / 859,970,304,039.20-1,289,955,456,058.80-419,669,047,335.20

Finding the Fourth Proportional to 859,970,304,039.20, 1,289,955,456,058.80 and 419,669,047,335.20

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Solution

The fourth proportional to 859,970,304,039.20, 1,289,955,456,058.80 and 419,669,047,335.20 is: 629,503,571,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,970,304,039.20 : 1,289,955,456,058.80 = 419,669,047,335.20 : x
  2. Step 2: Convert to fraction form
    859,970,304,039.20/1,289,955,456,058.80 = 419,669,047,335.20/x
  3. Step 3: Cross multiply
    859,970,304,039.20x = 1,289,955,456,058.80 × 419,669,047,335.20
  4. Step 4: Simplify right side
    859,970,304,039.20x = 541,354,377,349,040,101,654,528
  5. Step 5: Solve for x
    x = 541,354,377,349,040,101,654,528/859,970,304,039.20
  6. Step 6: Final answer
    x = 629,503,571,002.80

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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.