Home / 365,186,714.22-503,663,814.18-321,039,319.86

Finding the Fourth Proportional to 365,186,714.22, 503,663,814.18 and 321,039,319.86

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Solution

The fourth proportional to 365,186,714.22, 503,663,814.18 and 321,039,319.86 is: 442,775,933.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,186,714.22 : 503,663,814.18 = 321,039,319.86 : x
  2. Step 2: Convert to fraction form
    365,186,714.22/503,663,814.18 = 321,039,319.86/x
  3. Step 3: Cross multiply
    365,186,714.22x = 503,663,814.18 × 321,039,319.86
  4. Step 4: Simplify right side
    365,186,714.22x = 161,695,888,342,440,640
  5. Step 5: Solve for x
    x = 161,695,888,342,440,640/365,186,714.22
  6. Step 6: Final answer
    x = 442,775,933.64

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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.