Home / 399,450,714.81-551,259,010.59-223,238,704.98

Finding the Fourth Proportional to 399,450,714.81, 551,259,010.59 and 223,238,704.98

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Solution

The fourth proportional to 399,450,714.81, 551,259,010.59 and 223,238,704.98 is: 308,078,927.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,450,714.81 : 551,259,010.59 = 223,238,704.98 : x
  2. Step 2: Convert to fraction form
    399,450,714.81/551,259,010.59 = 223,238,704.98/x
  3. Step 3: Cross multiply
    399,450,714.81x = 551,259,010.59 × 223,238,704.98
  4. Step 4: Simplify right side
    399,450,714.81x = 123,062,347,632,667,712
  5. Step 5: Solve for x
    x = 123,062,347,632,667,712/399,450,714.81
  6. Step 6: Final answer
    x = 308,078,927.06

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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.