Home / 777,619,125.81-1,166,429,811.30-317,557,295.12

Finding the Fourth Proportional to 777,619,125.81, 1,166,429,811.30 and 317,557,295.12

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Solution

The fourth proportional to 777,619,125.81, 1,166,429,811.30 and 317,557,295.12 is: 476,336,401.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,619,125.81 : 1,166,429,811.30 = 317,557,295.12 : x
  2. Step 2: Convert to fraction form
    777,619,125.81/1,166,429,811.30 = 317,557,295.12/x
  3. Step 3: Cross multiply
    777,619,125.81x = 1,166,429,811.30 × 317,557,295.12
  4. Step 4: Simplify right side
    777,619,125.81x = 370,408,295,826,676,096
  5. Step 5: Solve for x
    x = 370,408,295,826,676,096/777,619,125.81
  6. Step 6: Final answer
    x = 476,336,401.12

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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.