Home / 268,936,620.40-403,404,930.60-266,921,081.20

Finding the Fourth Proportional to 268,936,620.40, 403,404,930.60 and 266,921,081.20

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Solution

The fourth proportional to 268,936,620.40, 403,404,930.60 and 266,921,081.20 is: 400,381,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,936,620.40 : 403,404,930.60 = 266,921,081.20 : x
  2. Step 2: Convert to fraction form
    268,936,620.40/403,404,930.60 = 266,921,081.20/x
  3. Step 3: Cross multiply
    268,936,620.40x = 403,404,930.60 × 266,921,081.20
  4. Step 4: Simplify right side
    268,936,620.40x = 107,677,280,237,162,960
  5. Step 5: Solve for x
    x = 107,677,280,237,162,960/268,936,620.40
  6. Step 6: Final answer
    x = 400,381,621.80

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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.