Home / 353,952,324.56-488,429,265.52-197,312,502.80

Finding the Fourth Proportional to 353,952,324.56, 488,429,265.52 and 197,312,502.80

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Solution

The fourth proportional to 353,952,324.56, 488,429,265.52 and 197,312,502.80 is: 272,277,349.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,952,324.56 : 488,429,265.52 = 197,312,502.80 : x
  2. Step 2: Convert to fraction form
    353,952,324.56/488,429,265.52 = 197,312,502.80/x
  3. Step 3: Cross multiply
    353,952,324.56x = 488,429,265.52 × 197,312,502.80
  4. Step 4: Simplify right side
    353,952,324.56x = 96,373,200,820,516,944
  5. Step 5: Solve for x
    x = 96,373,200,820,516,944/353,952,324.56
  6. Step 6: Final answer
    x = 272,277,349.61

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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.