Home / 504,790,106.85-755,633,560.32-430,321,355.55

Finding the Fourth Proportional to 504,790,106.85, 755,633,560.32 and 430,321,355.55

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Solution

The fourth proportional to 504,790,106.85, 755,633,560.32 and 430,321,355.55 is: 644,159,331.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,790,106.85 : 755,633,560.32 = 430,321,355.55 : x
  2. Step 2: Convert to fraction form
    504,790,106.85/755,633,560.32 = 430,321,355.55/x
  3. Step 3: Cross multiply
    504,790,106.85x = 755,633,560.32 × 430,321,355.55
  4. Step 4: Simplify right side
    504,790,106.85x = 325,165,257,975,975,104
  5. Step 5: Solve for x
    x = 325,165,257,975,975,104/504,790,106.85
  6. Step 6: Final answer
    x = 644,159,331.90

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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.