Home / 1,333,628,939.40-1,999,375,212.69-633,769,868.76

Finding the Fourth Proportional to 1,333,628,939.40, 1,999,375,212.69 and 633,769,868.76

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Solution

The fourth proportional to 1,333,628,939.40, 1,999,375,212.69 and 633,769,868.76 is: 950,147,172.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,333,628,939.40 : 1,999,375,212.69 = 633,769,868.76 : x
  2. Step 2: Convert to fraction form
    1,333,628,939.40/1,999,375,212.69 = 633,769,868.76/x
  3. Step 3: Cross multiply
    1,333,628,939.40x = 1,999,375,212.69 × 633,769,868.76
  4. Step 4: Simplify right side
    1,333,628,939.40x = 1,267,143,766,148,538,368
  5. Step 5: Solve for x
    x = 1,267,143,766,148,538,368/1,333,628,939.40
  6. Step 6: Final answer
    x = 950,147,172.66

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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.