Finding the Fourth Proportional to 3,536,043,645, 4,879,745,069.48 and 1,928,502,526.36
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Solution
The fourth proportional to 3,536,043,645, 4,879,745,069.48 and 1,928,502,526.36 is: 2,661,336,125.70
Step by Step Solution
- Step 1: Write the proportion equation
3,536,043,645 : 4,879,745,069.48 = 1,928,502,526.36 : x - Step 2: Convert to fraction form
3,536,043,645/4,879,745,069.48 = 1,928,502,526.36/x - Step 3: Cross multiply
3,536,043,645x = 4,879,745,069.48 × 1,928,502,526.36 - Step 4: Simplify right side
3,536,043,645x = 9,410,600,694,484,932,608 - Step 5: Solve for x
x = 9,410,600,694,484,932,608/3,536,043,645 - Step 6: Final answer
x = 2,661,336,125.70
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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.