Home / 1,783,804,938.90-2,675,707,408.35-491,340,426.90

Finding the Fourth Proportional to 1,783,804,938.90, 2,675,707,408.35 and 491,340,426.90

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Solution

The fourth proportional to 1,783,804,938.90, 2,675,707,408.35 and 491,340,426.90 is: 737,010,640.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,804,938.90 : 2,675,707,408.35 = 491,340,426.90 : x
  2. Step 2: Convert to fraction form
    1,783,804,938.90/2,675,707,408.35 = 491,340,426.90/x
  3. Step 3: Cross multiply
    1,783,804,938.90x = 2,675,707,408.35 × 491,340,426.90
  4. Step 4: Simplify right side
    1,783,804,938.90x = 1,314,683,220,278,181,632
  5. Step 5: Solve for x
    x = 1,314,683,220,278,181,632/1,783,804,938.90
  6. Step 6: Final answer
    x = 737,010,640.35

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Half scale
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Double scale
Find fourth proportional to 1,783,804,939.90, 2,675,707,409.85 and 491,340,427.90
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.