Home / 1,891,166,164.20-2,836,749,246.30-511,193,658.60

Finding the Fourth Proportional to 1,891,166,164.20, 2,836,749,246.30 and 511,193,658.60

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Solution

The fourth proportional to 1,891,166,164.20, 2,836,749,246.30 and 511,193,658.60 is: 766,790,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,891,166,164.20 : 2,836,749,246.30 = 511,193,658.60 : x
  2. Step 2: Convert to fraction form
    1,891,166,164.20/2,836,749,246.30 = 511,193,658.60/x
  3. Step 3: Cross multiply
    1,891,166,164.20x = 2,836,749,246.30 × 511,193,658.60
  4. Step 4: Simplify right side
    1,891,166,164.20x = 1,450,128,225,746,889,728
  5. Step 5: Solve for x
    x = 1,450,128,225,746,889,728/1,891,166,164.20
  6. Step 6: Final answer
    x = 766,790,487.90

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Double scale
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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.