Home / 2,886,993,131.42-4,332,311,335.72-1,228,897,709.64

Finding the Fourth Proportional to 2,886,993,131.42, 4,332,311,335.72 and 1,228,897,709.64

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Solution

The fourth proportional to 2,886,993,131.42, 4,332,311,335.72 and 1,228,897,709.64 is: 1,844,121,975.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,886,993,131.42 : 4,332,311,335.72 = 1,228,897,709.64 : x
  2. Step 2: Convert to fraction form
    2,886,993,131.42/4,332,311,335.72 = 1,228,897,709.64/x
  3. Step 3: Cross multiply
    2,886,993,131.42x = 4,332,311,335.72 × 1,228,897,709.64
  4. Step 4: Simplify right side
    2,886,993,131.42x = 5,323,967,477,913,717,760
  5. Step 5: Solve for x
    x = 5,323,967,477,913,717,760/2,886,993,131.42
  6. Step 6: Final answer
    x = 1,844,121,975.90

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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.