Home / 1,242,317,474,985.20-1,863,662,538,268.40-436,342,358,149.92

Finding the Fourth Proportional to 1,242,317,474,985.20, 1,863,662,538,268.40 and 436,342,358,149.92

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Solution

The fourth proportional to 1,242,317,474,985.20, 1,863,662,538,268.40 and 436,342,358,149.92 is: 654,578,980,910.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,317,474,985.20 : 1,863,662,538,268.40 = 436,342,358,149.92 : x
  2. Step 2: Convert to fraction form
    1,242,317,474,985.20/1,863,662,538,268.40 = 436,342,358,149.92/x
  3. Step 3: Cross multiply
    1,242,317,474,985.20x = 1,863,662,538,268.40 × 436,342,358,149.92
  4. Step 4: Simplify right side
    1,242,317,474,985.20x = 813,194,906,743,699,048,235,008
  5. Step 5: Solve for x
    x = 813,194,906,743,699,048,235,008/1,242,317,474,985.20
  6. Step 6: Final answer
    x = 654,578,980,910.97

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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.