Finding the Fourth Proportional to 1,180,186,203.84, 1,628,870,204.88 and 703,907,136.96
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Solution
The fourth proportional to 1,180,186,203.84, 1,628,870,204.88 and 703,907,136.96 is: 971,519,035.44
Step by Step Solution
- Step 1: Write the proportion equation
1,180,186,203.84 : 1,628,870,204.88 = 703,907,136.96 : x - Step 2: Convert to fraction form
1,180,186,203.84/1,628,870,204.88 = 703,907,136.96/x - Step 3: Cross multiply
1,180,186,203.84x = 1,628,870,204.88 × 703,907,136.96 - Step 4: Simplify right side
1,180,186,203.84x = 1,146,573,362,396,529,536 - Step 5: Solve for x
x = 1,146,573,362,396,529,536/1,180,186,203.84 - Step 6: Final answer
x = 971,519,035.44
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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.