Finding the Fourth Proportional to 584,183,135.80, 806,169,770.58 and 319,860,326.44
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Solution
The fourth proportional to 584,183,135.80, 806,169,770.58 and 319,860,326.44 is: 441,405,631.52
Step by Step Solution
- Step 1: Write the proportion equation
584,183,135.80 : 806,169,770.58 = 319,860,326.44 : x - Step 2: Convert to fraction form
584,183,135.80/806,169,770.58 = 319,860,326.44/x - Step 3: Cross multiply
584,183,135.80x = 806,169,770.58 × 319,860,326.44 - Step 4: Simplify right side
584,183,135.80x = 257,861,725,983,778,720 - Step 5: Solve for x
x = 257,861,725,983,778,720/584,183,135.80 - Step 6: Final answer
x = 441,405,631.52
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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.