Home / 502,984,211.86-694,118,245.74-279,961,107.30

Finding the Fourth Proportional to 502,984,211.86, 694,118,245.74 and 279,961,107.30

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Solution

The fourth proportional to 502,984,211.86, 694,118,245.74 and 279,961,107.30 is: 386,346,346.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,984,211.86 : 694,118,245.74 = 279,961,107.30 : x
  2. Step 2: Convert to fraction form
    502,984,211.86/694,118,245.74 = 279,961,107.30/x
  3. Step 3: Cross multiply
    502,984,211.86x = 694,118,245.74 × 279,961,107.30
  4. Step 4: Simplify right side
    502,984,211.86x = 194,326,112,675,021,856
  5. Step 5: Solve for x
    x = 194,326,112,675,021,856/502,984,211.86
  6. Step 6: Final answer
    x = 386,346,346.65

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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.