Home / 288,259,920.27-397,799,073.59-156,101,144.67

Finding the Fourth Proportional to 288,259,920.27, 397,799,073.59 and 156,101,144.67

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Solution

The fourth proportional to 288,259,920.27, 397,799,073.59 and 156,101,144.67 is: 215,419,787.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,259,920.27 : 397,799,073.59 = 156,101,144.67 : x
  2. Step 2: Convert to fraction form
    288,259,920.27/397,799,073.59 = 156,101,144.67/x
  3. Step 3: Cross multiply
    288,259,920.27x = 397,799,073.59 × 156,101,144.67
  4. Step 4: Simplify right side
    288,259,920.27x = 62,096,890,735,284,048
  5. Step 5: Solve for x
    x = 62,096,890,735,284,048/288,259,920.27
  6. Step 6: Final answer
    x = 215,419,787.38

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1.5x scale

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.