Finding the Fourth Proportional to 769,829,356.80, 1,152,476,553.60 and 724,983,609.60
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Solution
The fourth proportional to 769,829,356.80, 1,152,476,553.60 and 724,983,609.60 is: 1,085,340,022.99
Step by Step Solution
- Step 1: Write the proportion equation
769,829,356.80 : 1,152,476,553.60 = 724,983,609.60 : x - Step 2: Convert to fraction form
769,829,356.80/1,152,476,553.60 = 724,983,609.60/x - Step 3: Cross multiply
769,829,356.80x = 1,152,476,553.60 × 724,983,609.60 - Step 4: Simplify right side
769,829,356.80x = 835,526,611,808,295,808 - Step 5: Solve for x
x = 835,526,611,808,295,808/769,829,356.80 - Step 6: Final answer
x = 1,085,340,022.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.