Home / 958,222,877.50-1,437,190,149.20-268,040,669.50

Finding the Fourth Proportional to 958,222,877.50, 1,437,190,149.20 and 268,040,669.50

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Solution

The fourth proportional to 958,222,877.50, 1,437,190,149.20 and 268,040,669.50 is: 402,020,676.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,222,877.50 : 1,437,190,149.20 = 268,040,669.50 : x
  2. Step 2: Convert to fraction form
    958,222,877.50/1,437,190,149.20 = 268,040,669.50/x
  3. Step 3: Cross multiply
    958,222,877.50x = 1,437,190,149.20 × 268,040,669.50
  4. Step 4: Simplify right side
    958,222,877.50x = 385,225,409,790,372,928
  5. Step 5: Solve for x
    x = 385,225,409,790,372,928/958,222,877.50
  6. Step 6: Final answer
    x = 402,020,676.85

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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.