Home / 8,172,963,899.91-11,278,689,750.15-4,413,774,105.36

Finding the Fourth Proportional to 8,172,963,899.91, 11,278,689,750.15 and 4,413,774,105.36

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Solution

The fourth proportional to 8,172,963,899.91, 11,278,689,750.15 and 4,413,774,105.36 is: 6,091,008,032.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172,963,899.91 : 11,278,689,750.15 = 4,413,774,105.36 : x
  2. Step 2: Convert to fraction form
    8,172,963,899.91/11,278,689,750.15 = 4,413,774,105.36/x
  3. Step 3: Cross multiply
    8,172,963,899.91x = 11,278,689,750.15 × 4,413,774,105.36
  4. Step 4: Simplify right side
    8,172,963,899.91x = 49,781,588,761,601,310,720
  5. Step 5: Solve for x
    x = 49,781,588,761,601,310,720/8,172,963,899.91
  6. Step 6: Final answer
    x = 6,091,008,032.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.