Home / 10,865,094,872.40-16,297,642,308.60-9,121,702,671.90

Finding the Fourth Proportional to 10,865,094,872.40, 16,297,642,308.60 and 9,121,702,671.90

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Solution

The fourth proportional to 10,865,094,872.40, 16,297,642,308.60 and 9,121,702,671.90 is: 13,682,554,007.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,865,094,872.40 : 16,297,642,308.60 = 9,121,702,671.90 : x
  2. Step 2: Convert to fraction form
    10,865,094,872.40/16,297,642,308.60 = 9,121,702,671.90/x
  3. Step 3: Cross multiply
    10,865,094,872.40x = 16,297,642,308.60 × 9,121,702,671.90
  4. Step 4: Simplify right side
    10,865,094,872.40x = 148,662,247,392,027,115,520
  5. Step 5: Solve for x
    x = 148,662,247,392,027,115,520/10,865,094,872.40
  6. Step 6: Final answer
    x = 13,682,554,007.85

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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.