Home / 956,568,659.40-1,434,852,989.10-520,078,451.40

Finding the Fourth Proportional to 956,568,659.40, 1,434,852,989.10 and 520,078,451.40

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Solution

The fourth proportional to 956,568,659.40, 1,434,852,989.10 and 520,078,451.40 is: 780,117,677.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,568,659.40 : 1,434,852,989.10 = 520,078,451.40 : x
  2. Step 2: Convert to fraction form
    956,568,659.40/1,434,852,989.10 = 520,078,451.40/x
  3. Step 3: Cross multiply
    956,568,659.40x = 1,434,852,989.10 × 520,078,451.40
  4. Step 4: Simplify right side
    956,568,659.40x = 746,236,120,557,789,056
  5. Step 5: Solve for x
    x = 746,236,120,557,789,056/956,568,659.40
  6. Step 6: Final answer
    x = 780,117,677.10

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Double scale
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Similar ratio
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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.