Home / 502,984,245.36-694,118,291.96-279,961,140.80

Finding the Fourth Proportional to 502,984,245.36, 694,118,291.96 and 279,961,140.80

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Solution

The fourth proportional to 502,984,245.36, 694,118,291.96 and 279,961,140.80 is: 386,346,392.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,984,245.36 : 694,118,291.96 = 279,961,140.80 : x
  2. Step 2: Convert to fraction form
    502,984,245.36/694,118,291.96 = 279,961,140.80/x
  3. Step 3: Cross multiply
    502,984,245.36x = 694,118,291.96 × 279,961,140.80
  4. Step 4: Simplify right side
    502,984,245.36x = 194,326,148,867,269,088
  5. Step 5: Solve for x
    x = 194,326,148,867,269,088/502,984,245.36
  6. Step 6: Final answer
    x = 386,346,392.87

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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.