Home / 1,242,317,474,976.40-1,863,662,538,255.30-436,342,358,141.14

Finding the Fourth Proportional to 1,242,317,474,976.40, 1,863,662,538,255.30 and 436,342,358,141.14

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Solution

The fourth proportional to 1,242,317,474,976.40, 1,863,662,538,255.30 and 436,342,358,141.14 is: 654,578,980,897.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,474,976.40 : 1,863,662,538,255.30 = 436,342,358,141.14 : x
  2. Step 2: Convert to fraction form
    1,242,317,474,976.40/1,863,662,538,255.30 = 436,342,358,141.14/x
  3. Step 3: Cross multiply
    1,242,317,474,976.40x = 1,863,662,538,255.30 × 436,342,358,141.14
  4. Step 4: Simplify right side
    1,242,317,474,976.40x = 813,194,906,721,620,231,979,008
  5. Step 5: Solve for x
    x = 813,194,906,721,620,231,979,008/1,242,317,474,976.40
  6. Step 6: Final answer
    x = 654,578,980,897.83

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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.