Home / 436,147,009.62-654,226,212.96-145,014,132.48

Finding the Fourth Proportional to 436,147,009.62, 654,226,212.96 and 145,014,132.48

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Solution

The fourth proportional to 436,147,009.62, 654,226,212.96 and 145,014,132.48 is: 217,523,093.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,147,009.62 : 654,226,212.96 = 145,014,132.48 : x
  2. Step 2: Convert to fraction form
    436,147,009.62/654,226,212.96 = 145,014,132.48/x
  3. Step 3: Cross multiply
    436,147,009.62x = 654,226,212.96 × 145,014,132.48
  4. Step 4: Simplify right side
    436,147,009.62x = 94,872,046,718,070,128
  5. Step 5: Solve for x
    x = 94,872,046,718,070,128/436,147,009.62
  6. Step 6: Final answer
    x = 217,523,093.42

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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.