Home / 424,409,680.40-635,339,062.20-251,797,643.60

Finding the Fourth Proportional to 424,409,680.40, 635,339,062.20 and 251,797,643.60

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Solution

The fourth proportional to 424,409,680.40, 635,339,062.20 and 251,797,643.60 is: 376,939,749.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,409,680.40 : 635,339,062.20 = 251,797,643.60 : x
  2. Step 2: Convert to fraction form
    424,409,680.40/635,339,062.20 = 251,797,643.60/x
  3. Step 3: Cross multiply
    424,409,680.40x = 635,339,062.20 × 251,797,643.60
  4. Step 4: Simplify right side
    424,409,680.40x = 159,976,878,748,993,856
  5. Step 5: Solve for x
    x = 159,976,878,748,993,856/424,409,680.40
  6. Step 6: Final answer
    x = 376,939,749.81

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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.