Home / 869,283,123.52-1,303,965,057.48-279,097,447

Finding the Fourth Proportional to 869,283,123.52, 1,303,965,057.48 and 279,097,447

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Solution

The fourth proportional to 869,283,123.52, 1,303,965,057.48 and 279,097,447 is: 418,659,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,283,123.52 : 1,303,965,057.48 = 279,097,447 : x
  2. Step 2: Convert to fraction form
    869,283,123.52/1,303,965,057.48 = 279,097,447/x
  3. Step 3: Cross multiply
    869,283,123.52x = 1,303,965,057.48 × 279,097,447
  4. Step 4: Simplify right side
    869,283,123.52x = 363,933,318,519,876,288
  5. Step 5: Solve for x
    x = 363,933,318,519,876,288/869,283,123.52
  6. Step 6: Final answer
    x = 418,659,132.65

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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.