Home / 777,619,123.85-1,166,429,808.39-317,557,293.15

Finding the Fourth Proportional to 777,619,123.85, 1,166,429,808.39 and 317,557,293.15

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Solution

The fourth proportional to 777,619,123.85, 1,166,429,808.39 and 317,557,293.15 is: 476,336,398.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,123.85 : 1,166,429,808.39 = 317,557,293.15 : x
  2. Step 2: Convert to fraction form
    777,619,123.85/1,166,429,808.39 = 317,557,293.15/x
  3. Step 3: Cross multiply
    777,619,123.85x = 1,166,429,808.39 × 317,557,293.15
  4. Step 4: Simplify right side
    777,619,123.85x = 370,408,292,601,801,536
  5. Step 5: Solve for x
    x = 370,408,292,601,801,536/777,619,123.85
  6. Step 6: Final answer
    x = 476,336,398.17

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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.