Home / 711,788,977.28-1,066,930,133.52-323,884,211.15

Finding the Fourth Proportional to 711,788,977.28, 1,066,930,133.52 and 323,884,211.15

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Solution

The fourth proportional to 711,788,977.28, 1,066,930,133.52 and 323,884,211.15 is: 485,483,529.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,788,977.28 : 1,066,930,133.52 = 323,884,211.15 : x
  2. Step 2: Convert to fraction form
    711,788,977.28/1,066,930,133.52 = 323,884,211.15/x
  3. Step 3: Cross multiply
    711,788,977.28x = 1,066,930,133.52 × 323,884,211.15
  4. Step 4: Simplify right side
    711,788,977.28x = 345,561,824,647,289,344
  5. Step 5: Solve for x
    x = 345,561,824,647,289,344/711,788,977.28
  6. Step 6: Final answer
    x = 485,483,529.08

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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.