Home / 319,873,504.28-479,987,306.34-156,112,617.32

Finding the Fourth Proportional to 319,873,504.28, 479,987,306.34 and 156,112,617.32

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Solution

The fourth proportional to 319,873,504.28, 479,987,306.34 and 156,112,617.32 is: 234,255,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,873,504.28 : 479,987,306.34 = 156,112,617.32 : x
  2. Step 2: Convert to fraction form
    319,873,504.28/479,987,306.34 = 156,112,617.32/x
  3. Step 3: Cross multiply
    319,873,504.28x = 479,987,306.34 × 156,112,617.32
  4. Step 4: Simplify right side
    319,873,504.28x = 74,932,074,673,114,016
  5. Step 5: Solve for x
    x = 74,932,074,673,114,016/319,873,504.28
  6. Step 6: Final answer
    x = 234,255,334.28

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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.