Home / 1,331,711,999.20-1,997,567,998.80-1,226,605,362.40

Finding the Fourth Proportional to 1,331,711,999.20, 1,997,567,998.80 and 1,226,605,362.40

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Solution

The fourth proportional to 1,331,711,999.20, 1,997,567,998.80 and 1,226,605,362.40 is: 1,839,908,043.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,711,999.20 : 1,997,567,998.80 = 1,226,605,362.40 : x
  2. Step 2: Convert to fraction form
    1,331,711,999.20/1,997,567,998.80 = 1,226,605,362.40/x
  3. Step 3: Cross multiply
    1,331,711,999.20x = 1,997,567,998.80 × 1,226,605,362.40
  4. Step 4: Simplify right side
    1,331,711,999.20x = 2,450,227,619,086,716,928
  5. Step 5: Solve for x
    x = 2,450,227,619,086,716,928/1,331,711,999.20
  6. Step 6: Final answer
    x = 1,839,908,043.60

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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.