Home / 509,012,447,865.39-763,597,124,450.25-173,548,920,645.24

Finding the Fourth Proportional to 509,012,447,865.39, 763,597,124,450.25 and 173,548,920,645.24

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Solution

The fourth proportional to 509,012,447,865.39, 763,597,124,450.25 and 173,548,920,645.24 is: 260,350,129,573.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,012,447,865.39 : 763,597,124,450.25 = 173,548,920,645.24 : x
  2. Step 2: Convert to fraction form
    509,012,447,865.39/763,597,124,450.25 = 173,548,920,645.24/x
  3. Step 3: Cross multiply
    509,012,447,865.39x = 763,597,124,450.25 × 173,548,920,645.24
  4. Step 4: Simplify right side
    509,012,447,865.39x = 132,521,456,756,149,886,910,464
  5. Step 5: Solve for x
    x = 132,521,456,756,149,886,910,464/509,012,447,865.39
  6. Step 6: Final answer
    x = 260,350,129,573.25

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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.