Home / 20,913,114,786.09-31,375,826,830.71-6,747,814,802.61

Finding the Fourth Proportional to 20,913,114,786.09, 31,375,826,830.71 and 6,747,814,802.61

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Solution

The fourth proportional to 20,913,114,786.09, 31,375,826,830.71 and 6,747,814,802.61 is: 10,123,708,060.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,913,114,786.09 : 31,375,826,830.71 = 6,747,814,802.61 : x
  2. Step 2: Convert to fraction form
    20,913,114,786.09/31,375,826,830.71 = 6,747,814,802.61/x
  3. Step 3: Cross multiply
    20,913,114,786.09x = 31,375,826,830.71 × 6,747,814,802.61
  4. Step 4: Simplify right side
    20,913,114,786.09x = 211,718,268,732,392,931,328
  5. Step 5: Solve for x
    x = 211,718,268,732,392,931,328/20,913,114,786.09
  6. Step 6: Final answer
    x = 10,123,708,060.61

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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.