Home / 535,233,084.18-737,245,436.55-378,330,443.34

Finding the Fourth Proportional to 535,233,084.18, 737,245,436.55 and 378,330,443.34

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Solution

The fourth proportional to 535,233,084.18, 737,245,436.55 and 378,330,443.34 is: 521,123,228.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,233,084.18 : 737,245,436.55 = 378,330,443.34 : x
  2. Step 2: Convert to fraction form
    535,233,084.18/737,245,436.55 = 378,330,443.34/x
  3. Step 3: Cross multiply
    535,233,084.18x = 737,245,436.55 × 378,330,443.34
  4. Step 4: Simplify right side
    535,233,084.18x = 278,922,392,860,353,312
  5. Step 5: Solve for x
    x = 278,922,392,860,353,312/535,233,084.18
  6. Step 6: Final answer
    x = 521,123,228.56

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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.