Home / 3,542,942,426.80-5,314,413,640.20-1,213,105,082.80

Finding the Fourth Proportional to 3,542,942,426.80, 5,314,413,640.20 and 1,213,105,082.80

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Solution

The fourth proportional to 3,542,942,426.80, 5,314,413,640.20 and 1,213,105,082.80 is: 1,819,657,624.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,942,426.80 : 5,314,413,640.20 = 1,213,105,082.80 : x
  2. Step 2: Convert to fraction form
    3,542,942,426.80/5,314,413,640.20 = 1,213,105,082.80/x
  3. Step 3: Cross multiply
    3,542,942,426.80x = 5,314,413,640.20 × 1,213,105,082.80
  4. Step 4: Simplify right side
    3,542,942,426.80x = 6,446,942,199,028,270,080
  5. Step 5: Solve for x
    x = 6,446,942,199,028,270,080/3,542,942,426.80
  6. Step 6: Final answer
    x = 1,819,657,624.20

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Double scale
Find fourth proportional to 3,542,942,427.80, 5,314,413,641.70 and 1,213,105,083.80
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.