Home / 3,973,787,774.11-5,483,580,041.22-2,189,541,378.88

Finding the Fourth Proportional to 3,973,787,774.11, 5,483,580,041.22 and 2,189,541,378.88

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Solution

The fourth proportional to 3,973,787,774.11, 5,483,580,041.22 and 2,189,541,378.88 is: 3,021,430,958.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973,787,774.11 : 5,483,580,041.22 = 2,189,541,378.88 : x
  2. Step 2: Convert to fraction form
    3,973,787,774.11/5,483,580,041.22 = 2,189,541,378.88/x
  3. Step 3: Cross multiply
    3,973,787,774.11x = 5,483,580,041.22 × 2,189,541,378.88
  4. Step 4: Simplify right side
    3,973,787,774.11x = 12,006,525,404,637,978,624
  5. Step 5: Solve for x
    x = 12,006,525,404,637,978,624/3,973,787,774.11
  6. Step 6: Final answer
    x = 3,021,430,958.86

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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.