Home / 481,131,105,047.52-721,247,998,889.73-162,554,510,541.71

Finding the Fourth Proportional to 481,131,105,047.52, 721,247,998,889.73 and 162,554,510,541.71

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Solution

The fourth proportional to 481,131,105,047.52, 721,247,998,889.73 and 162,554,510,541.71 is: 243,680,182,405.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,131,105,047.52 : 721,247,998,889.73 = 162,554,510,541.71 : x
  2. Step 2: Convert to fraction form
    481,131,105,047.52/721,247,998,889.73 = 162,554,510,541.71/x
  3. Step 3: Cross multiply
    481,131,105,047.52x = 721,247,998,889.73 × 162,554,510,541.71
  4. Step 4: Simplify right side
    481,131,105,047.52x = 117,242,115,438,707,843,530,752
  5. Step 5: Solve for x
    x = 117,242,115,438,707,843,530,752/481,131,105,047.52
  6. Step 6: Final answer
    x = 243,680,182,405.02

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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.