Home / 397,704,634.43-596,520,143.74-187,567,137.19

Finding the Fourth Proportional to 397,704,634.43, 596,520,143.74 and 187,567,137.19

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Solution

The fourth proportional to 397,704,634.43, 596,520,143.74 and 187,567,137.19 is: 281,333,346.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,704,634.43 : 596,520,143.74 = 187,567,137.19 : x
  2. Step 2: Convert to fraction form
    397,704,634.43/596,520,143.74 = 187,567,137.19/x
  3. Step 3: Cross multiply
    397,704,634.43x = 596,520,143.74 × 187,567,137.19
  4. Step 4: Simplify right side
    397,704,634.43x = 111,887,575,634,052,640
  5. Step 5: Solve for x
    x = 111,887,575,634,052,640/397,704,634.43
  6. Step 6: Final answer
    x = 281,333,346.28

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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.