Home / 783,708,720.63-1,081,274,556.15-444,561,301.17

Finding the Fourth Proportional to 783,708,720.63, 1,081,274,556.15 and 444,561,301.17

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Solution

The fourth proportional to 783,708,720.63, 1,081,274,556.15 and 444,561,301.17 is: 613,356,481.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,708,720.63 : 1,081,274,556.15 = 444,561,301.17 : x
  2. Step 2: Convert to fraction form
    783,708,720.63/1,081,274,556.15 = 444,561,301.17/x
  3. Step 3: Cross multiply
    783,708,720.63x = 1,081,274,556.15 × 444,561,301.17
  4. Step 4: Simplify right side
    783,708,720.63x = 480,692,823,604,058,304
  5. Step 5: Solve for x
    x = 480,692,823,604,058,304/783,708,720.63
  6. Step 6: Final answer
    x = 613,356,481.75

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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.