Home / 20,331,972,663.20-30,497,958,994.80-7,241,045,559.20

Finding the Fourth Proportional to 20,331,972,663.20, 30,497,958,994.80 and 7,241,045,559.20

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Solution

The fourth proportional to 20,331,972,663.20, 30,497,958,994.80 and 7,241,045,559.20 is: 10,861,568,338.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,331,972,663.20 : 30,497,958,994.80 = 7,241,045,559.20 : x
  2. Step 2: Convert to fraction form
    20,331,972,663.20/30,497,958,994.80 = 7,241,045,559.20/x
  3. Step 3: Cross multiply
    20,331,972,663.20x = 30,497,958,994.80 × 7,241,045,559.20
  4. Step 4: Simplify right side
    20,331,972,663.20x = 220,837,110,543,960,211,456
  5. Step 5: Solve for x
    x = 220,837,110,543,960,211,456/20,331,972,663.20
  6. Step 6: Final answer
    x = 10,861,568,338.80

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1.5x scale

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.