Home / 338,867,609.60-508,301,414.40-235,555,479.20

Finding the Fourth Proportional to 338,867,609.60, 508,301,414.40 and 235,555,479.20

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Solution

The fourth proportional to 338,867,609.60, 508,301,414.40 and 235,555,479.20 is: 353,333,218.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,867,609.60 : 508,301,414.40 = 235,555,479.20 : x
  2. Step 2: Convert to fraction form
    338,867,609.60/508,301,414.40 = 235,555,479.20/x
  3. Step 3: Cross multiply
    338,867,609.60x = 508,301,414.40 × 235,555,479.20
  4. Step 4: Simplify right side
    338,867,609.60x = 119,733,183,247,029,776
  5. Step 5: Solve for x
    x = 119,733,183,247,029,776/338,867,609.60
  6. Step 6: Final answer
    x = 353,333,218.80

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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.