Home / 326,745,448.40-490,262,906.98-171,262,305.06

Finding the Fourth Proportional to 326,745,448.40, 490,262,906.98 and 171,262,305.06

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Solution

The fourth proportional to 326,745,448.40, 490,262,906.98 and 171,262,305.06 is: 256,969,319.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,745,448.40 : 490,262,906.98 = 171,262,305.06 : x
  2. Step 2: Convert to fraction form
    326,745,448.40/490,262,906.98 = 171,262,305.06/x
  3. Step 3: Cross multiply
    326,745,448.40x = 490,262,906.98 × 171,262,305.06
  4. Step 4: Simplify right side
    326,745,448.40x = 83,963,555,534,811,168
  5. Step 5: Solve for x
    x = 83,963,555,534,811,168/326,745,448.40
  6. Step 6: Final answer
    x = 256,969,319.53

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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.