Home / 3,542,942,436.80-5,314,413,655.20-1,213,105,092.80

Finding the Fourth Proportional to 3,542,942,436.80, 5,314,413,655.20 and 1,213,105,092.80

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Solution

The fourth proportional to 3,542,942,436.80, 5,314,413,655.20 and 1,213,105,092.80 is: 1,819,657,639.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542,942,436.80 : 5,314,413,655.20 = 1,213,105,092.80 : x
  2. Step 2: Convert to fraction form
    3,542,942,436.80/5,314,413,655.20 = 1,213,105,092.80/x
  3. Step 3: Cross multiply
    3,542,942,436.80x = 5,314,413,655.20 × 1,213,105,092.80
  4. Step 4: Simplify right side
    3,542,942,436.80x = 6,446,942,270,368,983,040
  5. Step 5: Solve for x
    x = 6,446,942,270,368,983,040/3,542,942,436.80
  6. Step 6: Final answer
    x = 1,819,657,639.20

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Double scale
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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.