Home / 503,514,341.93-755,352,224.73-212,424,341.82

Finding the Fourth Proportional to 503,514,341.93, 755,352,224.73 and 212,424,341.82

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Solution

The fourth proportional to 503,514,341.93, 755,352,224.73 and 212,424,341.82 is: 318,670,563.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,514,341.93 : 755,352,224.73 = 212,424,341.82 : x
  2. Step 2: Convert to fraction form
    503,514,341.93/755,352,224.73 = 212,424,341.82/x
  3. Step 3: Cross multiply
    503,514,341.93x = 755,352,224.73 × 212,424,341.82
  4. Step 4: Simplify right side
    503,514,341.93x = 160,455,199,180,542,976
  5. Step 5: Solve for x
    x = 160,455,199,180,542,976/503,514,341.93
  6. Step 6: Final answer
    x = 318,670,563.72

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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.