Home / 956,568,661.90-1,434,852,992.85-520,078,453.90

Finding the Fourth Proportional to 956,568,661.90, 1,434,852,992.85 and 520,078,453.90

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Solution

The fourth proportional to 956,568,661.90, 1,434,852,992.85 and 520,078,453.90 is: 780,117,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,568,661.90 : 1,434,852,992.85 = 520,078,453.90 : x
  2. Step 2: Convert to fraction form
    956,568,661.90/1,434,852,992.85 = 520,078,453.90/x
  3. Step 3: Cross multiply
    956,568,661.90x = 1,434,852,992.85 × 520,078,453.90
  4. Step 4: Simplify right side
    956,568,661.90x = 746,236,126,095,215,616
  5. Step 5: Solve for x
    x = 746,236,126,095,215,616/956,568,661.90
  6. Step 6: Final answer
    x = 780,117,680.85

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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.