Home / 1,370,286,674.73-1,890,944,975.87-743,741,650.58

Finding the Fourth Proportional to 1,370,286,674.73, 1,890,944,975.87 and 743,741,650.58

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Solution

The fourth proportional to 1,370,286,674.73, 1,890,944,975.87 and 743,741,650.58 is: 1,026,335,994.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,286,674.73 : 1,890,944,975.87 = 743,741,650.58 : x
  2. Step 2: Convert to fraction form
    1,370,286,674.73/1,890,944,975.87 = 743,741,650.58/x
  3. Step 3: Cross multiply
    1,370,286,674.73x = 1,890,944,975.87 × 743,741,650.58
  4. Step 4: Simplify right side
    1,370,286,674.73x = 1,406,374,537,509,007,616
  5. Step 5: Solve for x
    x = 1,406,374,537,509,007,616/1,370,286,674.73
  6. Step 6: Final answer
    x = 1,026,335,994.83

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Double scale
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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.