Finding the Fourth Proportional to 637,994,471.18, 880,596,183.30 and 415,530,512.96
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Solution
The fourth proportional to 637,994,471.18, 880,596,183.30 and 415,530,512.96 is: 573,538,800.55
Step by Step Solution
- Step 1: Write the proportion equation
637,994,471.18 : 880,596,183.30 = 415,530,512.96 : x - Step 2: Convert to fraction form
637,994,471.18/880,596,183.30 = 415,530,512.96/x - Step 3: Cross multiply
637,994,471.18x = 880,596,183.30 × 415,530,512.96 - Step 4: Simplify right side
637,994,471.18x = 365,914,583,757,267,136 - Step 5: Solve for x
x = 365,914,583,757,267,136/637,994,471.18 - Step 6: Final answer
x = 573,538,800.55
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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.