Home / 1,285,500,773.01-1,772,197,811.83-862,190,080.38

Finding the Fourth Proportional to 1,285,500,773.01, 1,772,197,811.83 and 862,190,080.38

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Solution

The fourth proportional to 1,285,500,773.01, 1,772,197,811.83 and 862,190,080.38 is: 1,188,619,568.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,500,773.01 : 1,772,197,811.83 = 862,190,080.38 : x
  2. Step 2: Convert to fraction form
    1,285,500,773.01/1,772,197,811.83 = 862,190,080.38/x
  3. Step 3: Cross multiply
    1,285,500,773.01x = 1,772,197,811.83 × 862,190,080.38
  4. Step 4: Simplify right side
    1,285,500,773.01x = 1,527,971,373,832,002,304
  5. Step 5: Solve for x
    x = 1,527,971,373,832,002,304/1,285,500,773.01
  6. Step 6: Final answer
    x = 1,188,619,568.27

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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.