Home / 680,315,450.58-938,334,086.06-513,058,760.46

Finding the Fourth Proportional to 680,315,450.58, 938,334,086.06 and 513,058,760.46

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Solution

The fourth proportional to 680,315,450.58, 938,334,086.06 and 513,058,760.46 is: 707,643,083.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,315,450.58 : 938,334,086.06 = 513,058,760.46 : x
  2. Step 2: Convert to fraction form
    680,315,450.58/938,334,086.06 = 513,058,760.46/x
  3. Step 3: Cross multiply
    680,315,450.58x = 938,334,086.06 × 513,058,760.46
  4. Step 4: Simplify right side
    680,315,450.58x = 481,420,523,088,745,216
  5. Step 5: Solve for x
    x = 481,420,523,088,745,216/680,315,450.58
  6. Step 6: Final answer
    x = 707,643,083.33

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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.