Home / 1,370,286,692.73-1,890,945,000.70-743,741,668.58

Finding the Fourth Proportional to 1,370,286,692.73, 1,890,945,000.70 and 743,741,668.58

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Solution

The fourth proportional to 1,370,286,692.73, 1,890,945,000.70 and 743,741,668.58 is: 1,026,336,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286,692.73 : 1,890,945,000.70 = 743,741,668.58 : x
  2. Step 2: Convert to fraction form
    1,370,286,692.73/1,890,945,000.70 = 743,741,668.58/x
  3. Step 3: Cross multiply
    1,370,286,692.73x = 1,890,945,000.70 × 743,741,668.58
  4. Step 4: Simplify right side
    1,370,286,692.73x = 1,406,374,590,002,313,216
  5. Step 5: Solve for x
    x = 1,406,374,590,002,313,216/1,370,286,692.73
  6. Step 6: Final answer
    x = 1,026,336,019.65

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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.