Home / 320,911,225.58-480,674,989.43-216,707,426.43

Finding the Fourth Proportional to 320,911,225.58, 480,674,989.43 and 216,707,426.43

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Solution

The fourth proportional to 320,911,225.58, 480,674,989.43 and 216,707,426.43 is: 324,593,942.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,911,225.58 : 480,674,989.43 = 216,707,426.43 : x
  2. Step 2: Convert to fraction form
    320,911,225.58/480,674,989.43 = 216,707,426.43/x
  3. Step 3: Cross multiply
    320,911,225.58x = 480,674,989.43 × 216,707,426.43
  4. Step 4: Simplify right side
    320,911,225.58x = 104,165,839,906,571,984
  5. Step 5: Solve for x
    x = 104,165,839,906,571,984/320,911,225.58
  6. Step 6: Final answer
    x = 324,593,942.51

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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.