Home / 18,662,859,337.18-27,994,315,945.96-7,621,375,400.68

Finding the Fourth Proportional to 18,662,859,337.18, 27,994,315,945.96 and 7,621,375,400.68

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Solution

The fourth proportional to 18,662,859,337.18, 27,994,315,945.96 and 7,621,375,400.68 is: 11,432,074,102.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662,859,337.18 : 27,994,315,945.96 = 7,621,375,400.68 : x
  2. Step 2: Convert to fraction form
    18,662,859,337.18/27,994,315,945.96 = 7,621,375,400.68/x
  3. Step 3: Cross multiply
    18,662,859,337.18x = 27,994,315,945.96 × 7,621,375,400.68
  4. Step 4: Simplify right side
    18,662,859,337.18x = 213,355,190,909,409,492,992
  5. Step 5: Solve for x
    x = 213,355,190,909,409,492,992/18,662,859,337.18
  6. Step 6: Final answer
    x = 11,432,074,102.62

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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.