Home / 511,185,036.48-766,777,527.09-123,007,908.36

Finding the Fourth Proportional to 511,185,036.48, 766,777,527.09 and 123,007,908.36

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Solution

The fourth proportional to 511,185,036.48, 766,777,527.09 and 123,007,908.36 is: 184,511,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,185,036.48 : 766,777,527.09 = 123,007,908.36 : x
  2. Step 2: Convert to fraction form
    511,185,036.48/766,777,527.09 = 123,007,908.36/x
  3. Step 3: Cross multiply
    511,185,036.48x = 766,777,527.09 × 123,007,908.36
  4. Step 4: Simplify right side
    511,185,036.48x = 94,319,699,784,794,144
  5. Step 5: Solve for x
    x = 94,319,699,784,794,144/511,185,036.48
  6. Step 6: Final answer
    x = 184,511,855.89

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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.