Home / 3,818,392,884.72-5,269,840,911.44-2,312,975,064.84

Finding the Fourth Proportional to 3,818,392,884.72, 5,269,840,911.44 and 2,312,975,064.84

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Solution

The fourth proportional to 3,818,392,884.72, 5,269,840,911.44 and 2,312,975,064.84 is: 3,192,183,463.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,818,392,884.72 : 5,269,840,911.44 = 2,312,975,064.84 : x
  2. Step 2: Convert to fraction form
    3,818,392,884.72/5,269,840,911.44 = 2,312,975,064.84/x
  3. Step 3: Cross multiply
    3,818,392,884.72x = 5,269,840,911.44 × 2,312,975,064.84
  4. Step 4: Simplify right side
    3,818,392,884.72x = 12,189,010,623,834,419,200
  5. Step 5: Solve for x
    x = 12,189,010,623,834,419,200/3,818,392,884.72
  6. Step 6: Final answer
    x = 3,192,183,463.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.