Home / 3,172,504,687,262.80-4,378,071,294,428.90-1,802,355,322,978.80

Finding the Fourth Proportional to 3,172,504,687,262.80, 4,378,071,294,428.90 and 1,802,355,322,978.80

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Solution

The fourth proportional to 3,172,504,687,262.80, 4,378,071,294,428.90 and 1,802,355,322,978.80 is: 2,487,258,768,623.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,172,504,687,262.80 : 4,378,071,294,428.90 = 1,802,355,322,978.80 : x
  2. Step 2: Convert to fraction form
    3,172,504,687,262.80/4,378,071,294,428.90 = 1,802,355,322,978.80/x
  3. Step 3: Cross multiply
    3,172,504,687,262.80x = 4,378,071,294,428.90 × 1,802,355,322,978.80
  4. Step 4: Simplify right side
    3,172,504,687,262.80x = 7,890,840,101,894,613,205,254,144
  5. Step 5: Solve for x
    x = 7,890,840,101,894,613,205,254,144/3,172,504,687,262.80
  6. Step 6: Final answer
    x = 2,487,258,768,623.83

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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.