Home / 414,105,824,992.81-621,220,846,086.10-145,447,452,714.37

Finding the Fourth Proportional to 414,105,824,992.81, 621,220,846,086.10 and 145,447,452,714.37

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Solution

The fourth proportional to 414,105,824,992.81, 621,220,846,086.10 and 145,447,452,714.37 is: 218,192,993,633.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,105,824,992.81 : 621,220,846,086.10 = 145,447,452,714.37 : x
  2. Step 2: Convert to fraction form
    414,105,824,992.81/621,220,846,086.10 = 145,447,452,714.37/x
  3. Step 3: Cross multiply
    414,105,824,992.81x = 621,220,846,086.10 × 145,447,452,714.37
  4. Step 4: Simplify right side
    414,105,824,992.81x = 90,354,989,636,288,946,110,464
  5. Step 5: Solve for x
    x = 90,354,989,636,288,946,110,464/414,105,824,992.81
  6. Step 6: Final answer
    x = 218,192,993,633.59

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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.