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Finding the Fourth Proportional to 3,648,803,685.88, 5,472,652,519.92 and 993,066,715.09

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Solution

The fourth proportional to 3,648,803,685.88, 5,472,652,519.92 and 993,066,715.09 is: 1,489,449,564.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648,803,685.88 : 5,472,652,519.92 = 993,066,715.09 : x
  2. Step 2: Convert to fraction form
    3,648,803,685.88/5,472,652,519.92 = 993,066,715.09/x
  3. Step 3: Cross multiply
    3,648,803,685.88x = 5,472,652,519.92 × 993,066,715.09
  4. Step 4: Simplify right side
    3,648,803,685.88x = 5,434,709,060,785,965,056
  5. Step 5: Solve for x
    x = 5,434,709,060,785,965,056/3,648,803,685.88
  6. Step 6: Final answer
    x = 1,489,449,564.47

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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.