Home / 505,438,575.76-758,239,331.53-155,684,481.07

Finding the Fourth Proportional to 505,438,575.76, 758,239,331.53 and 155,684,481.07

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Solution

The fourth proportional to 505,438,575.76, 758,239,331.53 and 155,684,481.07 is: 233,551,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,438,575.76 : 758,239,331.53 = 155,684,481.07 : x
  2. Step 2: Convert to fraction form
    505,438,575.76/758,239,331.53 = 155,684,481.07/x
  3. Step 3: Cross multiply
    505,438,575.76x = 758,239,331.53 × 155,684,481.07
  4. Step 4: Simplify right side
    505,438,575.76x = 118,046,096,853,826,928
  5. Step 5: Solve for x
    x = 118,046,096,853,826,928/505,438,575.76
  6. Step 6: Final answer
    x = 233,551,815.23

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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.