Home / 288,141,403.23-431,969,905.53-233,418,281.94

Finding the Fourth Proportional to 288,141,403.23, 431,969,905.53 and 233,418,281.94

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Solution

The fourth proportional to 288,141,403.23, 431,969,905.53 and 233,418,281.94 is: 349,931,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,141,403.23 : 431,969,905.53 = 233,418,281.94 : x
  2. Step 2: Convert to fraction form
    288,141,403.23/431,969,905.53 = 233,418,281.94/x
  3. Step 3: Cross multiply
    288,141,403.23x = 431,969,905.53 × 233,418,281.94
  4. Step 4: Simplify right side
    288,141,403.23x = 100,829,673,200,795,232
  5. Step 5: Solve for x
    x = 100,829,673,200,795,232/288,141,403.23
  6. Step 6: Final answer
    x = 349,931,221.51

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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.