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Finding the Fourth Proportional to 1,165,003,636.03, 1,607,704,956.23 and 629,155,249.44

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Solution

The fourth proportional to 1,165,003,636.03, 1,607,704,956.23 and 629,155,249.44 is: 868,234,211.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,003,636.03 : 1,607,704,956.23 = 629,155,249.44 : x
  2. Step 2: Convert to fraction form
    1,165,003,636.03/1,607,704,956.23 = 629,155,249.44/x
  3. Step 3: Cross multiply
    1,165,003,636.03x = 1,607,704,956.23 × 629,155,249.44
  4. Step 4: Simplify right side
    1,165,003,636.03x = 1,011,496,012,762,809,984
  5. Step 5: Solve for x
    x = 1,011,496,012,762,809,984/1,165,003,636.03
  6. Step 6: Final answer
    x = 868,234,211.02

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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.