Finding the Fourth Proportional to 374,297,063.68, 516,495,283.84 and 207,029,725.44
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Solution
The fourth proportional to 374,297,063.68, 516,495,283.84 and 207,029,725.44 is: 285,681,847.87
Step by Step Solution
- Step 1: Write the proportion equation
374,297,063.68 : 516,495,283.84 = 207,029,725.44 : x - Step 2: Convert to fraction form
374,297,063.68/516,495,283.84 = 207,029,725.44/x - Step 3: Cross multiply
374,297,063.68x = 516,495,283.84 × 207,029,725.44 - Step 4: Simplify right side
374,297,063.68x = 106,929,876,804,450,064 - Step 5: Solve for x
x = 106,929,876,804,450,064/374,297,063.68 - Step 6: Final answer
x = 285,681,847.87
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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.