Finding the Fourth Proportional to 455,675,843.44, 628,835,683.26 and 246,831,986.08
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Solution
The fourth proportional to 455,675,843.44, 628,835,683.26 and 246,831,986.08 is: 340,629,776.30
Step by Step Solution
- Step 1: Write the proportion equation
455,675,843.44 : 628,835,683.26 = 246,831,986.08 : x - Step 2: Convert to fraction form
455,675,843.44/628,835,683.26 = 246,831,986.08/x - Step 3: Cross multiply
455,675,843.44x = 628,835,683.26 × 246,831,986.08 - Step 4: Simplify right side
455,675,843.44x = 155,216,760,617,039,616 - Step 5: Solve for x
x = 155,216,760,617,039,616/455,675,843.44 - Step 6: Final answer
x = 340,629,776.30
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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.