Home / 1,635,993,979.80-2,453,990,969.70-1,270,509,538.20

Finding the Fourth Proportional to 1,635,993,979.80, 2,453,990,969.70 and 1,270,509,538.20

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Solution

The fourth proportional to 1,635,993,979.80, 2,453,990,969.70 and 1,270,509,538.20 is: 1,905,764,307.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,993,979.80 : 2,453,990,969.70 = 1,270,509,538.20 : x
  2. Step 2: Convert to fraction form
    1,635,993,979.80/2,453,990,969.70 = 1,270,509,538.20/x
  3. Step 3: Cross multiply
    1,635,993,979.80x = 2,453,990,969.70 × 1,270,509,538.20
  4. Step 4: Simplify right side
    1,635,993,979.80x = 3,117,818,933,660,516,864
  5. Step 5: Solve for x
    x = 3,117,818,933,660,516,864/1,635,993,979.80
  6. Step 6: Final answer
    x = 1,905,764,307.30

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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.