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Finding the Fourth Proportional to 3,669,266,149.90, 5,151,484,492.10 and 3,669,266,149.90

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Solution

The fourth proportional to 3,669,266,149.90, 5,151,484,492.10 and 3,669,266,149.90 is: 5,151,484,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,669,266,149.90 : 5,151,484,492.10 = 3,669,266,149.90 : x
  2. Step 2: Convert to fraction form
    3,669,266,149.90/5,151,484,492.10 = 3,669,266,149.90/x
  3. Step 3: Cross multiply
    3,669,266,149.90x = 5,151,484,492.10 × 3,669,266,149.90
  4. Step 4: Simplify right side
    3,669,266,149.90x = 18,902,167,668,597,325,824
  5. Step 5: Solve for x
    x = 18,902,167,668,597,325,824/3,669,266,149.90
  6. Step 6: Final answer
    x = 5,151,484,492.10

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.