Home / 1,783,804,958.40-2,675,707,437.60-491,340,446.40

Finding the Fourth Proportional to 1,783,804,958.40, 2,675,707,437.60 and 491,340,446.40

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Solution

The fourth proportional to 1,783,804,958.40, 2,675,707,437.60 and 491,340,446.40 is: 737,010,669.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,804,958.40 : 2,675,707,437.60 = 491,340,446.40 : x
  2. Step 2: Convert to fraction form
    1,783,804,958.40/2,675,707,437.60 = 491,340,446.40/x
  3. Step 3: Cross multiply
    1,783,804,958.40x = 2,675,707,437.60 × 491,340,446.40
  4. Step 4: Simplify right side
    1,783,804,958.40x = 1,314,683,286,826,183,936
  5. Step 5: Solve for x
    x = 1,314,683,286,826,183,936/1,783,804,958.40
  6. Step 6: Final answer
    x = 737,010,669.60

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Half scale
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Double scale
Find fourth proportional to 1,783,804,959.40, 2,675,707,439.10 and 491,340,447.40
Similar ratio
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1.5x scale

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.