Home / 535,233,081.67-737,245,433.10-378,330,440.83

Finding the Fourth Proportional to 535,233,081.67, 737,245,433.10 and 378,330,440.83

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Solution

The fourth proportional to 535,233,081.67, 737,245,433.10 and 378,330,440.83 is: 521,123,225.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,233,081.67 : 737,245,433.10 = 378,330,440.83 : x
  2. Step 2: Convert to fraction form
    535,233,081.67/737,245,433.10 = 378,330,440.83/x
  3. Step 3: Cross multiply
    535,233,081.67x = 737,245,433.10 × 378,330,440.83
  4. Step 4: Simplify right side
    535,233,081.67x = 278,922,389,705,156,864
  5. Step 5: Solve for x
    x = 278,922,389,705,156,864/535,233,081.67
  6. Step 6: Final answer
    x = 521,123,225.11

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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.