Home / 878,359,654.14-1,317,542,560.89-223,310,750.94

Finding the Fourth Proportional to 878,359,654.14, 1,317,542,560.89 and 223,310,750.94

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Solution

The fourth proportional to 878,359,654.14, 1,317,542,560.89 and 223,310,750.94 is: 334,966,909.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,359,654.14 : 1,317,542,560.89 = 223,310,750.94 : x
  2. Step 2: Convert to fraction form
    878,359,654.14/1,317,542,560.89 = 223,310,750.94/x
  3. Step 3: Cross multiply
    878,359,654.14x = 1,317,542,560.89 × 223,310,750.94
  4. Step 4: Simplify right side
    878,359,654.14x = 294,221,418,666,930,368
  5. Step 5: Solve for x
    x = 294,221,418,666,930,368/878,359,654.14
  6. Step 6: Final answer
    x = 334,966,909.38

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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.