Home / 840,181,171.82-1,159,601,789.70-501,111,384.84

Finding the Fourth Proportional to 840,181,171.82, 1,159,601,789.70 and 501,111,384.84

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Solution

The fourth proportional to 840,181,171.82, 1,159,601,789.70 and 501,111,384.84 is: 691,624,233.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,181,171.82 : 1,159,601,789.70 = 501,111,384.84 : x
  2. Step 2: Convert to fraction form
    840,181,171.82/1,159,601,789.70 = 501,111,384.84/x
  3. Step 3: Cross multiply
    840,181,171.82x = 1,159,601,789.70 × 501,111,384.84
  4. Step 4: Simplify right side
    840,181,171.82x = 581,089,658,699,509,504
  5. Step 5: Solve for x
    x = 581,089,658,699,509,504/840,181,171.82
  6. Step 6: Final answer
    x = 691,624,233.19

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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.