Home / 489,287,742.48-734,000,558.76-157,183,393.32

Finding the Fourth Proportional to 489,287,742.48, 734,000,558.76 and 157,183,393.32

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Solution

The fourth proportional to 489,287,742.48, 734,000,558.76 and 157,183,393.32 is: 235,797,238.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,287,742.48 : 734,000,558.76 = 157,183,393.32 : x
  2. Step 2: Convert to fraction form
    489,287,742.48/734,000,558.76 = 157,183,393.32/x
  3. Step 3: Cross multiply
    489,287,742.48x = 734,000,558.76 × 157,183,393.32
  4. Step 4: Simplify right side
    489,287,742.48x = 115,372,698,524,672,848
  5. Step 5: Solve for x
    x = 115,372,698,524,672,848/489,287,742.48
  6. Step 6: Final answer
    x = 235,797,238.53

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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.