Home / 288,132,828.96-431,957,040.48-233,409,715.20

Finding the Fourth Proportional to 288,132,828.96, 431,957,040.48 and 233,409,715.20

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Solution

The fourth proportional to 288,132,828.96, 431,957,040.48 and 233,409,715.20 is: 349,918,369.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,132,828.96 : 431,957,040.48 = 233,409,715.20 : x
  2. Step 2: Convert to fraction form
    288,132,828.96/431,957,040.48 = 233,409,715.20/x
  3. Step 3: Cross multiply
    288,132,828.96x = 431,957,040.48 × 233,409,715.20
  4. Step 4: Simplify right side
    288,132,828.96x = 100,822,969,797,071,664
  5. Step 5: Solve for x
    x = 100,822,969,797,071,664/288,132,828.96
  6. Step 6: Final answer
    x = 349,918,369.81

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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.