Home / 682,384,473,001.78-941,720,174,089.30-377,890,128,983.26

Finding the Fourth Proportional to 682,384,473,001.78, 941,720,174,089.30 and 377,890,128,983.26

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Solution

The fourth proportional to 682,384,473,001.78, 941,720,174,089.30 and 377,890,128,983.26 is: 521,504,770,598.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,384,473,001.78 : 941,720,174,089.30 = 377,890,128,983.26 : x
  2. Step 2: Convert to fraction form
    682,384,473,001.78/941,720,174,089.30 = 377,890,128,983.26/x
  3. Step 3: Cross multiply
    682,384,473,001.78x = 941,720,174,089.30 × 377,890,128,983.26
  4. Step 4: Simplify right side
    682,384,473,001.78x = 355,866,758,052,743,676,428,288
  5. Step 5: Solve for x
    x = 355,866,758,052,743,676,428,288/682,384,473,001.78
  6. Step 6: Final answer
    x = 521,504,770,598.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.