Home / 1,072,347,342.80-1,608,521,014.20-664,200,654.80

Finding the Fourth Proportional to 1,072,347,342.80, 1,608,521,014.20 and 664,200,654.80

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Solution

The fourth proportional to 1,072,347,342.80, 1,608,521,014.20 and 664,200,654.80 is: 996,300,982.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,347,342.80 : 1,608,521,014.20 = 664,200,654.80 : x
  2. Step 2: Convert to fraction form
    1,072,347,342.80/1,608,521,014.20 = 664,200,654.80/x
  3. Step 3: Cross multiply
    1,072,347,342.80x = 1,608,521,014.20 × 664,200,654.80
  4. Step 4: Simplify right side
    1,072,347,342.80x = 1,068,380,710,891,200,000
  5. Step 5: Solve for x
    x = 1,068,380,710,891,200,000/1,072,347,342.80
  6. Step 6: Final answer
    x = 996,300,982.20

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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.