Finding the Fourth Proportional to 461,773,582.24, 637,310,944.60 and 283,125,877.42
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Solution
The fourth proportional to 461,773,582.24, 637,310,944.60 and 283,125,877.42 is: 390,752,583.77
Step by Step Solution
- Step 1: Write the proportion equation
461,773,582.24 : 637,310,944.60 = 283,125,877.42 : x - Step 2: Convert to fraction form
461,773,582.24/637,310,944.60 = 283,125,877.42/x - Step 3: Cross multiply
461,773,582.24x = 637,310,944.60 × 283,125,877.42 - Step 4: Simplify right side
461,773,582.24x = 180,439,220,379,244,032 - Step 5: Solve for x
x = 180,439,220,379,244,032/461,773,582.24 - Step 6: Final answer
x = 390,752,583.77
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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.