Home / 508,392,081.80-762,882,335.54-213,260,770.62

Finding the Fourth Proportional to 508,392,081.80, 762,882,335.54 and 213,260,770.62

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Solution

The fourth proportional to 508,392,081.80, 762,882,335.54 and 213,260,770.62 is: 320,014,572.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,392,081.80 : 762,882,335.54 = 213,260,770.62 : x
  2. Step 2: Convert to fraction form
    508,392,081.80/762,882,335.54 = 213,260,770.62/x
  3. Step 3: Cross multiply
    508,392,081.80x = 762,882,335.54 × 213,260,770.62
  4. Step 4: Simplify right side
    508,392,081.80x = 162,692,874,769,645,824
  5. Step 5: Solve for x
    x = 162,692,874,769,645,824/508,392,081.80
  6. Step 6: Final answer
    x = 320,014,572.60

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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.