Home / 338,791,297.20-508,690,830.60-262,200,807.60

Finding the Fourth Proportional to 338,791,297.20, 508,690,830.60 and 262,200,807.60

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Solution

The fourth proportional to 338,791,297.20, 508,690,830.60 and 262,200,807.60 is: 393,691,183.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,791,297.20 : 508,690,830.60 = 262,200,807.60 : x
  2. Step 2: Convert to fraction form
    338,791,297.20/508,690,830.60 = 262,200,807.60/x
  3. Step 3: Cross multiply
    338,791,297.20x = 508,690,830.60 × 262,200,807.60
  4. Step 4: Simplify right side
    338,791,297.20x = 133,379,146,602,034,800
  5. Step 5: Solve for x
    x = 133,379,146,602,034,800/338,791,297.20
  6. Step 6: Final answer
    x = 393,691,183.05

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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.