Home / 500,373,182.88-690,514,530.48-280,358,183.52

Finding the Fourth Proportional to 500,373,182.88, 690,514,530.48 and 280,358,183.52

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Solution

The fourth proportional to 500,373,182.88, 690,514,530.48 and 280,358,183.52 is: 386,894,034.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,373,182.88 : 690,514,530.48 = 280,358,183.52 : x
  2. Step 2: Convert to fraction form
    500,373,182.88/690,514,530.48 = 280,358,183.52/x
  3. Step 3: Cross multiply
    500,373,182.88x = 690,514,530.48 × 280,358,183.52
  4. Step 4: Simplify right side
    500,373,182.88x = 193,591,399,459,538,464
  5. Step 5: Solve for x
    x = 193,591,399,459,538,464/500,373,182.88
  6. Step 6: Final answer
    x = 386,894,034.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.