Home / 3,826,829,961.20-5,740,244,941.80-918,784,809.20

Finding the Fourth Proportional to 3,826,829,961.20, 5,740,244,941.80 and 918,784,809.20

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Solution

The fourth proportional to 3,826,829,961.20, 5,740,244,941.80 and 918,784,809.20 is: 1,378,177,213.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,826,829,961.20 : 5,740,244,941.80 = 918,784,809.20 : x
  2. Step 2: Convert to fraction form
    3,826,829,961.20/5,740,244,941.80 = 918,784,809.20/x
  3. Step 3: Cross multiply
    3,826,829,961.20x = 5,740,244,941.80 × 918,784,809.20
  4. Step 4: Simplify right side
    3,826,829,961.20x = 5,274,049,853,612,978,176
  5. Step 5: Solve for x
    x = 5,274,049,853,612,978,176/3,826,829,961.20
  6. Step 6: Final answer
    x = 1,378,177,213.80

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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.