Home / 2,912,647,583.08-4,020,546,724.32-1,909,129,820.90

Finding the Fourth Proportional to 2,912,647,583.08, 4,020,546,724.32 and 1,909,129,820.90

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Solution

The fourth proportional to 2,912,647,583.08, 4,020,546,724.32 and 1,909,129,820.90 is: 2,635,315,611.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,912,647,583.08 : 4,020,546,724.32 = 1,909,129,820.90 : x
  2. Step 2: Convert to fraction form
    2,912,647,583.08/4,020,546,724.32 = 1,909,129,820.90/x
  3. Step 3: Cross multiply
    2,912,647,583.08x = 4,020,546,724.32 × 1,909,129,820.90
  4. Step 4: Simplify right side
    2,912,647,583.08x = 7,675,745,647,721,123,840
  5. Step 5: Solve for x
    x = 7,675,745,647,721,123,840/2,912,647,583.08
  6. Step 6: Final answer
    x = 2,635,315,611.92

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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.