Finding the Fourth Proportional to 291,950,532.95, 402,848,396.91 and 177,318,266.99
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Solution
The fourth proportional to 291,950,532.95, 402,848,396.91 and 177,318,266.99 is: 244,672,886.46
Step by Step Solution
- Step 1: Write the proportion equation
291,950,532.95 : 402,848,396.91 = 177,318,266.99 : x - Step 2: Convert to fraction form
291,950,532.95/402,848,396.91 = 177,318,266.99/x - Step 3: Cross multiply
291,950,532.95x = 402,848,396.91 × 177,318,266.99 - Step 4: Simplify right side
291,950,532.95x = 71,432,379,597,766,640 - Step 5: Solve for x
x = 71,432,379,597,766,640/291,950,532.95 - Step 6: Final answer
x = 244,672,886.46
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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.