Home / 20,248,889,431.70-27,943,457,696.61-12,110,692,702.43

Finding the Fourth Proportional to 20,248,889,431.70, 27,943,457,696.61 and 12,110,692,702.43

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Solution

The fourth proportional to 20,248,889,431.70, 27,943,457,696.61 and 12,110,692,702.43 is: 16,712,750,116.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,248,889,431.70 : 27,943,457,696.61 = 12,110,692,702.43 : x
  2. Step 2: Convert to fraction form
    20,248,889,431.70/27,943,457,696.61 = 12,110,692,702.43/x
  3. Step 3: Cross multiply
    20,248,889,431.70x = 27,943,457,696.61 × 12,110,692,702.43
  4. Step 4: Simplify right side
    20,248,889,431.70x = 338,414,629,206,996,156,416
  5. Step 5: Solve for x
    x = 338,414,629,206,996,156,416/20,248,889,431.70
  6. Step 6: Final answer
    x = 16,712,750,116.42

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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.