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Finding the Fourth Proportional to 543,377,662.90, 815,066,494.35 and 543,377,662.90

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Solution

The fourth proportional to 543,377,662.90, 815,066,494.35 and 543,377,662.90 is: 815,066,494.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,377,662.90 : 815,066,494.35 = 543,377,662.90 : x
  2. Step 2: Convert to fraction form
    543,377,662.90/815,066,494.35 = 543,377,662.90/x
  3. Step 3: Cross multiply
    543,377,662.90x = 815,066,494.35 × 543,377,662.90
  4. Step 4: Simplify right side
    543,377,662.90x = 442,888,926,807,999,040
  5. Step 5: Solve for x
    x = 442,888,926,807,999,040/543,377,662.90
  6. Step 6: Final answer
    x = 815,066,494.35

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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.