Home / 458,178,168.48-632,285,975.44-252,145,272.48

Finding the Fourth Proportional to 458,178,168.48, 632,285,975.44 and 252,145,272.48

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Solution

The fourth proportional to 458,178,168.48, 632,285,975.44 and 252,145,272.48 is: 347,960,532.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,178,168.48 : 632,285,975.44 = 252,145,272.48 : x
  2. Step 2: Convert to fraction form
    458,178,168.48/632,285,975.44 = 252,145,272.48/x
  3. Step 3: Cross multiply
    458,178,168.48x = 632,285,975.44 × 252,145,272.48
  4. Step 4: Simplify right side
    458,178,168.48x = 159,427,919,562,601,408
  5. Step 5: Solve for x
    x = 159,427,919,562,601,408/458,178,168.48
  6. Step 6: Final answer
    x = 347,960,532.67

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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.