Home / 414,314,112,401.80-621,471,192,222.30-100,245,235,985.80

Finding the Fourth Proportional to 414,314,112,401.80, 621,471,192,222.30 and 100,245,235,985.80

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Solution

The fourth proportional to 414,314,112,401.80, 621,471,192,222.30 and 100,245,235,985.80 is: 150,367,859,693.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,314,112,401.80 : 621,471,192,222.30 = 100,245,235,985.80 : x
  2. Step 2: Convert to fraction form
    414,314,112,401.80/621,471,192,222.30 = 100,245,235,985.80/x
  3. Step 3: Cross multiply
    414,314,112,401.80x = 621,471,192,222.30 × 100,245,235,985.80
  4. Step 4: Simplify right side
    414,314,112,401.80x = 62,299,526,322,700,943,360,000
  5. Step 5: Solve for x
    x = 62,299,526,322,700,943,360,000/414,314,112,401.80
  6. Step 6: Final answer
    x = 150,367,859,693.57

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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.