Home / 340,172,038.80-509,691,187.80-319,764,704.40

Finding the Fourth Proportional to 340,172,038.80, 509,691,187.80 and 319,764,704.40

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Solution

The fourth proportional to 340,172,038.80, 509,691,187.80 and 319,764,704.40 is: 479,114,193.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,172,038.80 : 509,691,187.80 = 319,764,704.40 : x
  2. Step 2: Convert to fraction form
    340,172,038.80/509,691,187.80 = 319,764,704.40/x
  3. Step 3: Cross multiply
    340,172,038.80x = 509,691,187.80 × 319,764,704.40
  4. Step 4: Simplify right side
    340,172,038.80x = 162,981,252,002,151,872
  5. Step 5: Solve for x
    x = 162,981,252,002,151,872/340,172,038.80
  6. Step 6: Final answer
    x = 479,114,193.44

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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.