Home / 649,413,770.46-974,283,076.92-189,351,939.78

Finding the Fourth Proportional to 649,413,770.46, 974,283,076.92 and 189,351,939.78

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Solution

The fourth proportional to 649,413,770.46, 974,283,076.92 and 189,351,939.78 is: 284,075,267.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,413,770.46 : 974,283,076.92 = 189,351,939.78 : x
  2. Step 2: Convert to fraction form
    649,413,770.46/974,283,076.92 = 189,351,939.78/x
  3. Step 3: Cross multiply
    649,413,770.46x = 974,283,076.92 × 189,351,939.78
  4. Step 4: Simplify right side
    649,413,770.46x = 184,482,390,509,628,928
  5. Step 5: Solve for x
    x = 184,482,390,509,628,928/649,413,770.46
  6. Step 6: Final answer
    x = 284,075,267.42

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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.