Home / 1,293,612,939.60-1,940,419,409.40-516,874,520.40

Finding the Fourth Proportional to 1,293,612,939.60, 1,940,419,409.40 and 516,874,520.40

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Solution

The fourth proportional to 1,293,612,939.60, 1,940,419,409.40 and 516,874,520.40 is: 775,311,780.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,612,939.60 : 1,940,419,409.40 = 516,874,520.40 : x
  2. Step 2: Convert to fraction form
    1,293,612,939.60/1,940,419,409.40 = 516,874,520.40/x
  3. Step 3: Cross multiply
    1,293,612,939.60x = 1,940,419,409.40 × 516,874,520.40
  4. Step 4: Simplify right side
    1,293,612,939.60x = 1,002,953,351,608,476,288
  5. Step 5: Solve for x
    x = 1,002,953,351,608,476,288/1,293,612,939.60
  6. Step 6: Final answer
    x = 775,311,780.60

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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.