Home / 20,691,947,443.10-31,037,921,164.65-5,970,449,126.30

Finding the Fourth Proportional to 20,691,947,443.10, 31,037,921,164.65 and 5,970,449,126.30

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Solution

The fourth proportional to 20,691,947,443.10, 31,037,921,164.65 and 5,970,449,126.30 is: 8,955,673,689.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,691,947,443.10 : 31,037,921,164.65 = 5,970,449,126.30 : x
  2. Step 2: Convert to fraction form
    20,691,947,443.10/31,037,921,164.65 = 5,970,449,126.30/x
  3. Step 3: Cross multiply
    20,691,947,443.10x = 31,037,921,164.65 × 5,970,449,126.30
  4. Step 4: Simplify right side
    20,691,947,443.10x = 185,310,329,299,652,870,144
  5. Step 5: Solve for x
    x = 185,310,329,299,652,870,144/20,691,947,443.10
  6. Step 6: Final answer
    x = 8,955,673,689.45

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Double scale
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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.