Home / 384,143,687.22-529,897,006.53-231,273,777.90

Finding the Fourth Proportional to 384,143,687.22, 529,897,006.53 and 231,273,777.90

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Solution

The fourth proportional to 384,143,687.22, 529,897,006.53 and 231,273,777.90 is: 319,024,590.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,143,687.22 : 529,897,006.53 = 231,273,777.90 : x
  2. Step 2: Convert to fraction form
    384,143,687.22/529,897,006.53 = 231,273,777.90/x
  3. Step 3: Cross multiply
    384,143,687.22x = 529,897,006.53 × 231,273,777.90
  4. Step 4: Simplify right side
    384,143,687.22x = 122,551,282,598,094,064
  5. Step 5: Solve for x
    x = 122,551,282,598,094,064/384,143,687.22
  6. Step 6: Final answer
    x = 319,024,590.73

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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.