Home / 11,543,844,235.78-15,931,161,487.65-6,463,163,720.97

Finding the Fourth Proportional to 11,543,844,235.78, 15,931,161,487.65 and 6,463,163,720.97

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Solution

The fourth proportional to 11,543,844,235.78, 15,931,161,487.65 and 6,463,163,720.97 is: 8,919,533,463.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,543,844,235.78 : 15,931,161,487.65 = 6,463,163,720.97 : x
  2. Step 2: Convert to fraction form
    11,543,844,235.78/15,931,161,487.65 = 6,463,163,720.97/x
  3. Step 3: Cross multiply
    11,543,844,235.78x = 15,931,161,487.65 × 6,463,163,720.97
  4. Step 4: Simplify right side
    11,543,844,235.78x = 102,965,704,959,919,783,936
  5. Step 5: Solve for x
    x = 102,965,704,959,919,783,936/11,543,844,235.78
  6. Step 6: Final answer
    x = 8,919,533,463.62

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Double scale
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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.