Home / 503,514,343.92-755,352,227.74-212,424,343.82

Finding the Fourth Proportional to 503,514,343.92, 755,352,227.74 and 212,424,343.82

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Solution

The fourth proportional to 503,514,343.92, 755,352,227.74 and 212,424,343.82 is: 318,670,566.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,514,343.92 : 755,352,227.74 = 212,424,343.82 : x
  2. Step 2: Convert to fraction form
    503,514,343.92/755,352,227.74 = 212,424,343.82/x
  3. Step 3: Cross multiply
    503,514,343.92x = 755,352,227.74 × 212,424,343.82
  4. Step 4: Simplify right side
    503,514,343.92x = 160,455,201,330,644,704
  5. Step 5: Solve for x
    x = 160,455,201,330,644,704/503,514,343.92
  6. Step 6: Final answer
    x = 318,670,566.72

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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.