Home / 2,192,194,209.40-3,288,291,314.10-556,418,811.40

Finding the Fourth Proportional to 2,192,194,209.40, 3,288,291,314.10 and 556,418,811.40

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Solution

The fourth proportional to 2,192,194,209.40, 3,288,291,314.10 and 556,418,811.40 is: 834,628,217.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,192,194,209.40 : 3,288,291,314.10 = 556,418,811.40 : x
  2. Step 2: Convert to fraction form
    2,192,194,209.40/3,288,291,314.10 = 556,418,811.40/x
  3. Step 3: Cross multiply
    2,192,194,209.40x = 3,288,291,314.10 × 556,418,811.40
  4. Step 4: Simplify right side
    2,192,194,209.40x = 1,829,667,144,528,465,920
  5. Step 5: Solve for x
    x = 1,829,667,144,528,465,920/2,192,194,209.40
  6. Step 6: Final answer
    x = 834,628,217.10

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Half scale
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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.