Home / 326,389,538.54-450,428,617.77-177,716,425.61

Finding the Fourth Proportional to 326,389,538.54, 450,428,617.77 and 177,716,425.61

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Solution

The fourth proportional to 326,389,538.54, 450,428,617.77 and 177,716,425.61 is: 245,254,686.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,389,538.54 : 450,428,617.77 = 177,716,425.61 : x
  2. Step 2: Convert to fraction form
    326,389,538.54/450,428,617.77 = 177,716,425.61/x
  3. Step 3: Cross multiply
    326,389,538.54x = 450,428,617.77 × 177,716,425.61
  4. Step 4: Simplify right side
    326,389,538.54x = 80,048,563,942,996,976
  5. Step 5: Solve for x
    x = 80,048,563,942,996,976/326,389,538.54
  6. Step 6: Final answer
    x = 245,254,686.47

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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.