Home / 438,983,489.72-658,475,518.91-111,483,563.96

Finding the Fourth Proportional to 438,983,489.72, 658,475,518.91 and 111,483,563.96

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Solution

The fourth proportional to 438,983,489.72, 658,475,518.91 and 111,483,563.96 is: 167,225,418.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,983,489.72 : 658,475,518.91 = 111,483,563.96 : x
  2. Step 2: Convert to fraction form
    438,983,489.72/658,475,518.91 = 111,483,563.96/x
  3. Step 3: Cross multiply
    438,983,489.72x = 658,475,518.91 × 111,483,563.96
  4. Step 4: Simplify right side
    438,983,489.72x = 73,409,197,629,585,952
  5. Step 5: Solve for x
    x = 73,409,197,629,585,952/438,983,489.72
  6. Step 6: Final answer
    x = 167,225,418.15

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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.