Home / 12,934,115,443.60-19,401,173,165.40-12,117,822,067.60

Finding the Fourth Proportional to 12,934,115,443.60, 19,401,173,165.40 and 12,117,822,067.60

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Solution

The fourth proportional to 12,934,115,443.60, 19,401,173,165.40 and 12,117,822,067.60 is: 18,176,733,101.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,934,115,443.60 : 19,401,173,165.40 = 12,117,822,067.60 : x
  2. Step 2: Convert to fraction form
    12,934,115,443.60/19,401,173,165.40 = 12,117,822,067.60/x
  3. Step 3: Cross multiply
    12,934,115,443.60x = 19,401,173,165.40 × 12,117,822,067.60
  4. Step 4: Simplify right side
    12,934,115,443.60x = 235,099,964,321,013,104,640
  5. Step 5: Solve for x
    x = 235,099,964,321,013,104,640/12,934,115,443.60
  6. Step 6: Final answer
    x = 18,176,733,101.40

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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.