Home / 20,913,114,785.08-31,375,826,829.21-6,747,814,801.61

Finding the Fourth Proportional to 20,913,114,785.08, 31,375,826,829.21 and 6,747,814,801.61

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Solution

The fourth proportional to 20,913,114,785.08, 31,375,826,829.21 and 6,747,814,801.61 is: 10,123,708,059.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,913,114,785.08 : 31,375,826,829.21 = 6,747,814,801.61 : x
  2. Step 2: Convert to fraction form
    20,913,114,785.08/31,375,826,829.21 = 6,747,814,801.61/x
  3. Step 3: Cross multiply
    20,913,114,785.08x = 31,375,826,829.21 × 6,747,814,801.61
  4. Step 4: Simplify right side
    20,913,114,785.08x = 211,718,268,690,877,513,728
  5. Step 5: Solve for x
    x = 211,718,268,690,877,513,728/20,913,114,785.08
  6. Step 6: Final answer
    x = 10,123,708,059.11

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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.