Home / 529,120,235.09-730,226,770.31-317,434,993.85

Finding the Fourth Proportional to 529,120,235.09, 730,226,770.31 and 317,434,993.85

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Solution

The fourth proportional to 529,120,235.09, 730,226,770.31 and 317,434,993.85 is: 438,084,796.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,120,235.09 : 730,226,770.31 = 317,434,993.85 : x
  2. Step 2: Convert to fraction form
    529,120,235.09/730,226,770.31 = 317,434,993.85/x
  3. Step 3: Cross multiply
    529,120,235.09x = 730,226,770.31 × 317,434,993.85
  4. Step 4: Simplify right side
    529,120,235.09x = 231,799,530,342,460,224
  5. Step 5: Solve for x
    x = 231,799,530,342,460,224/529,120,235.09
  6. Step 6: Final answer
    x = 438,084,796.18

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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.