Home / 3,280,236,990.36-4,526,724,122.16-1,851,608,806.20

Finding the Fourth Proportional to 3,280,236,990.36, 4,526,724,122.16 and 1,851,608,806.20

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Solution

The fourth proportional to 3,280,236,990.36, 4,526,724,122.16 and 1,851,608,806.20 is: 2,555,218,501.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,280,236,990.36 : 4,526,724,122.16 = 1,851,608,806.20 : x
  2. Step 2: Convert to fraction form
    3,280,236,990.36/4,526,724,122.16 = 1,851,608,806.20/x
  3. Step 3: Cross multiply
    3,280,236,990.36x = 4,526,724,122.16 × 1,851,608,806.20
  4. Step 4: Simplify right side
    3,280,236,990.36x = 8,381,722,247,829,420,032
  5. Step 5: Solve for x
    x = 8,381,722,247,829,420,032/3,280,236,990.36
  6. Step 6: Final answer
    x = 2,555,218,501.73

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Double scale
Find fourth proportional to 3,280,236,991.36, 4,526,724,123.54 and 1,851,608,807.20
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1.5x scale

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.