Home / 839,232,002.80-1,258,848,004.20-833,857,231.60

Finding the Fourth Proportional to 839,232,002.80, 1,258,848,004.20 and 833,857,231.60

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Solution

The fourth proportional to 839,232,002.80, 1,258,848,004.20 and 833,857,231.60 is: 1,250,785,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,232,002.80 : 1,258,848,004.20 = 833,857,231.60 : x
  2. Step 2: Convert to fraction form
    839,232,002.80/1,258,848,004.20 = 833,857,231.60/x
  3. Step 3: Cross multiply
    839,232,002.80x = 1,258,848,004.20 × 833,857,231.60
  4. Step 4: Simplify right side
    839,232,002.80x = 1,049,699,511,787,397,248
  5. Step 5: Solve for x
    x = 1,049,699,511,787,397,248/839,232,002.80
  6. Step 6: Final answer
    x = 1,250,785,847.40

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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.