Finding the Fourth Proportional to 774,734,469.27, 1,069,124,865.24 and 422,302,727.08
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Solution
The fourth proportional to 774,734,469.27, 1,069,124,865.24 and 422,302,727.08 is: 582,773,019.77
Step by Step Solution
- Step 1: Write the proportion equation
774,734,469.27 : 1,069,124,865.24 = 422,302,727.08 : x - Step 2: Convert to fraction form
774,734,469.27/1,069,124,865.24 = 422,302,727.08/x - Step 3: Cross multiply
774,734,469.27x = 1,069,124,865.24 × 422,302,727.08 - Step 4: Simplify right side
774,734,469.27x = 451,494,346,179,889,472 - Step 5: Solve for x
x = 451,494,346,179,889,472/774,734,469.27 - Step 6: Final answer
x = 582,773,019.77
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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.