Home / 625,961,494.80-939,050,467.92-211,441,334.76

Finding the Fourth Proportional to 625,961,494.80, 939,050,467.92 and 211,441,334.76

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Solution

The fourth proportional to 625,961,494.80, 939,050,467.92 and 211,441,334.76 is: 317,198,559.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,961,494.80 : 939,050,467.92 = 211,441,334.76 : x
  2. Step 2: Convert to fraction form
    625,961,494.80/939,050,467.92 = 211,441,334.76/x
  3. Step 3: Cross multiply
    625,961,494.80x = 939,050,467.92 × 211,441,334.76
  4. Step 4: Simplify right side
    625,961,494.80x = 198,554,084,344,007,328
  5. Step 5: Solve for x
    x = 198,554,084,344,007,328/625,961,494.80
  6. Step 6: Final answer
    x = 317,198,559.33

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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.