Home / 339,186,467.20-508,779,700.80-253,093,025.20

Finding the Fourth Proportional to 339,186,467.20, 508,779,700.80 and 253,093,025.20

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Solution

The fourth proportional to 339,186,467.20, 508,779,700.80 and 253,093,025.20 is: 379,639,537.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,186,467.20 : 508,779,700.80 = 253,093,025.20 : x
  2. Step 2: Convert to fraction form
    339,186,467.20/508,779,700.80 = 253,093,025.20/x
  3. Step 3: Cross multiply
    339,186,467.20x = 508,779,700.80 × 253,093,025.20
  4. Step 4: Simplify right side
    339,186,467.20x = 128,768,593,635,822,864
  5. Step 5: Solve for x
    x = 128,768,593,635,822,864/339,186,467.20
  6. Step 6: Final answer
    x = 379,639,537.80

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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.