Home / 762,888,513-1,144,503,355.50-278,214,321

Finding the Fourth Proportional to 762,888,513, 1,144,503,355.50 and 278,214,321

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Solution

The fourth proportional to 762,888,513, 1,144,503,355.50 and 278,214,321 is: 417,383,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,888,513 : 1,144,503,355.50 = 278,214,321 : x
  2. Step 2: Convert to fraction form
    762,888,513/1,144,503,355.50 = 278,214,321/x
  3. Step 3: Cross multiply
    762,888,513x = 1,144,503,355.50 × 278,214,321
  4. Step 4: Simplify right side
    762,888,513x = 318,417,223,932,654,144
  5. Step 5: Solve for x
    x = 318,417,223,932,654,144/762,888,513
  6. Step 6: Final answer
    x = 417,383,691.73

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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.