Home / 3,098,930,672.70-4,648,396,009.05-2,978,399,853.90

Finding the Fourth Proportional to 3,098,930,672.70, 4,648,396,009.05 and 2,978,399,853.90

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Solution

The fourth proportional to 3,098,930,672.70, 4,648,396,009.05 and 2,978,399,853.90 is: 4,467,599,780.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,098,930,672.70 : 4,648,396,009.05 = 2,978,399,853.90 : x
  2. Step 2: Convert to fraction form
    3,098,930,672.70/4,648,396,009.05 = 2,978,399,853.90/x
  3. Step 3: Cross multiply
    3,098,930,672.70x = 4,648,396,009.05 × 2,978,399,853.90
  4. Step 4: Simplify right side
    3,098,930,672.70x = 13,844,781,994,223,863,808
  5. Step 5: Solve for x
    x = 13,844,781,994,223,863,808/3,098,930,672.70
  6. Step 6: Final answer
    x = 4,467,599,780.85

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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.