Home / 397,887,350.83-549,071,667.41-228,369,490.86

Finding the Fourth Proportional to 397,887,350.83, 549,071,667.41 and 228,369,490.86

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Solution

The fourth proportional to 397,887,350.83, 549,071,667.41 and 228,369,490.86 is: 315,142,506.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,887,350.83 : 549,071,667.41 = 228,369,490.86 : x
  2. Step 2: Convert to fraction form
    397,887,350.83/549,071,667.41 = 228,369,490.86/x
  3. Step 3: Cross multiply
    397,887,350.83x = 549,071,667.41 × 228,369,490.86
  4. Step 4: Simplify right side
    397,887,350.83x = 125,391,217,129,327,584
  5. Step 5: Solve for x
    x = 125,391,217,129,327,584/397,887,350.83
  6. Step 6: Final answer
    x = 315,142,506.71

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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.