Finding the Fourth Proportional to 455,675,804.08, 628,835,628.84 and 246,831,946.64
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Solution
The fourth proportional to 455,675,804.08, 628,835,628.84 and 246,831,946.64 is: 340,629,721.82
Step by Step Solution
- Step 1: Write the proportion equation
455,675,804.08 : 628,835,628.84 = 246,831,946.64 : x - Step 2: Convert to fraction form
455,675,804.08/628,835,628.84 = 246,831,946.64/x - Step 3: Cross multiply
455,675,804.08x = 628,835,628.84 × 246,831,946.64 - Step 4: Simplify right side
455,675,804.08x = 155,216,722,383,165,728 - Step 5: Solve for x
x = 155,216,722,383,165,728/455,675,804.08 - Step 6: Final answer
x = 340,629,721.82
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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.