Home / 1,245,233,796.06-1,718,423,015.19-680,721,133.02

Finding the Fourth Proportional to 1,245,233,796.06, 1,718,423,015.19 and 680,721,133.02

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Solution

The fourth proportional to 1,245,233,796.06, 1,718,423,015.19 and 680,721,133.02 is: 939,395,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,233,796.06 : 1,718,423,015.19 = 680,721,133.02 : x
  2. Step 2: Convert to fraction form
    1,245,233,796.06/1,718,423,015.19 = 680,721,133.02/x
  3. Step 3: Cross multiply
    1,245,233,796.06x = 1,718,423,015.19 × 680,721,133.02
  4. Step 4: Simplify right side
    1,245,233,796.06x = 1,169,766,861,907,781,376
  5. Step 5: Solve for x
    x = 1,169,766,861,907,781,376/1,245,233,796.06
  6. Step 6: Final answer
    x = 939,395,369.46

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1.5x scale

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.