Home / 777,619,127.56-1,166,429,813.93-317,557,296.87

Finding the Fourth Proportional to 777,619,127.56, 1,166,429,813.93 and 317,557,296.87

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Solution

The fourth proportional to 777,619,127.56, 1,166,429,813.93 and 317,557,296.87 is: 476,336,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,127.56 : 1,166,429,813.93 = 317,557,296.87 : x
  2. Step 2: Convert to fraction form
    777,619,127.56/1,166,429,813.93 = 317,557,296.87/x
  3. Step 3: Cross multiply
    777,619,127.56x = 1,166,429,813.93 × 317,557,296.87
  4. Step 4: Simplify right side
    777,619,127.56x = 370,408,298,700,187,904
  5. Step 5: Solve for x
    x = 370,408,298,700,187,904/777,619,127.56
  6. Step 6: Final answer
    x = 476,336,403.74

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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.