Home / 288,673,741.48-397,984,371.06-229,331,934.76

Finding the Fourth Proportional to 288,673,741.48, 397,984,371.06 and 229,331,934.76

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Solution

The fourth proportional to 288,673,741.48, 397,984,371.06 and 229,331,934.76 is: 316,171,901.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,673,741.48 : 397,984,371.06 = 229,331,934.76 : x
  2. Step 2: Convert to fraction form
    288,673,741.48/397,984,371.06 = 229,331,934.76/x
  3. Step 3: Cross multiply
    288,673,741.48x = 397,984,371.06 × 229,331,934.76
  4. Step 4: Simplify right side
    288,673,741.48x = 91,270,525,819,431,552
  5. Step 5: Solve for x
    x = 91,270,525,819,431,552/288,673,741.48
  6. Step 6: Final answer
    x = 316,171,901.72

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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.