Home / 3,188,659,319.40-4,782,988,979.10-890,944,631.40

Finding the Fourth Proportional to 3,188,659,319.40, 4,782,988,979.10 and 890,944,631.40

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Solution

The fourth proportional to 3,188,659,319.40, 4,782,988,979.10 and 890,944,631.40 is: 1,336,416,947.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,188,659,319.40 : 4,782,988,979.10 = 890,944,631.40 : x
  2. Step 2: Convert to fraction form
    3,188,659,319.40/4,782,988,979.10 = 890,944,631.40/x
  3. Step 3: Cross multiply
    3,188,659,319.40x = 4,782,988,979.10 × 890,944,631.40
  4. Step 4: Simplify right side
    3,188,659,319.40x = 4,261,378,352,974,512,128
  5. Step 5: Solve for x
    x = 4,261,378,352,974,512,128/3,188,659,319.40
  6. Step 6: Final answer
    x = 1,336,416,947.10

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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.