Home / 486,213,425.92-670,974,219.84-266,196,793.60

Finding the Fourth Proportional to 486,213,425.92, 670,974,219.84 and 266,196,793.60

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Solution

The fourth proportional to 486,213,425.92, 670,974,219.84 and 266,196,793.60 is: 367,351,406.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    486,213,425.92 : 670,974,219.84 = 266,196,793.60 : x
  2. Step 2: Convert to fraction form
    486,213,425.92/670,974,219.84 = 266,196,793.60/x
  3. Step 3: Cross multiply
    486,213,425.92x = 670,974,219.84 × 266,196,793.60
  4. Step 4: Simplify right side
    486,213,425.92x = 178,611,185,909,669,504
  5. Step 5: Solve for x
    x = 178,611,185,909,669,504/486,213,425.92
  6. Step 6: Final answer
    x = 367,351,406.58

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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.