Home / 317,142,291.54-437,843,999.85-199,768,232.34

Finding the Fourth Proportional to 317,142,291.54, 437,843,999.85 and 199,768,232.34

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Solution

The fourth proportional to 317,142,291.54, 437,843,999.85 and 199,768,232.34 is: 275,798,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,142,291.54 : 437,843,999.85 = 199,768,232.34 : x
  2. Step 2: Convert to fraction form
    317,142,291.54/437,843,999.85 = 199,768,232.34/x
  3. Step 3: Cross multiply
    317,142,291.54x = 437,843,999.85 × 199,768,232.34
  4. Step 4: Simplify right side
    317,142,291.54x = 87,467,321,890,709,728
  5. Step 5: Solve for x
    x = 87,467,321,890,709,728/317,142,291.54
  6. Step 6: Final answer
    x = 275,798,353.69

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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.