Home / 572,200,440.32-857,049,296.28-405,699,249.32

Finding the Fourth Proportional to 572,200,440.32, 857,049,296.28 and 405,699,249.32

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Solution

The fourth proportional to 572,200,440.32, 857,049,296.28 and 405,699,249.32 is: 607,661,636.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,200,440.32 : 857,049,296.28 = 405,699,249.32 : x
  2. Step 2: Convert to fraction form
    572,200,440.32/857,049,296.28 = 405,699,249.32/x
  3. Step 3: Cross multiply
    572,200,440.32x = 857,049,296.28 × 405,699,249.32
  4. Step 4: Simplify right side
    572,200,440.32x = 347,704,256,131,030,272
  5. Step 5: Solve for x
    x = 347,704,256,131,030,272/572,200,440.32
  6. Step 6: Final answer
    x = 607,661,636.78

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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.