Home / 777,619,127.31-1,166,429,813.55-317,557,296.63

Finding the Fourth Proportional to 777,619,127.31, 1,166,429,813.55 and 317,557,296.63

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Solution

The fourth proportional to 777,619,127.31, 1,166,429,813.55 and 317,557,296.63 is: 476,336,403.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,127.31 : 1,166,429,813.55 = 317,557,296.63 : x
  2. Step 2: Convert to fraction form
    777,619,127.31/1,166,429,813.55 = 317,557,296.63/x
  3. Step 3: Cross multiply
    777,619,127.31x = 1,166,429,813.55 × 317,557,296.63
  4. Step 4: Simplify right side
    777,619,127.31x = 370,408,298,299,572,928
  5. Step 5: Solve for x
    x = 370,408,298,299,572,928/777,619,127.31
  6. Step 6: Final answer
    x = 476,336,403.38

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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.