Finding the Fourth Proportional to 1,167,802,181.84, 1,611,393,656.64 and 709,273,118
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Solution
The fourth proportional to 1,167,802,181.84, 1,611,393,656.64 and 709,273,118 is: 978,691,614.85
Step by Step Solution
- Step 1: Write the proportion equation
1,167,802,181.84 : 1,611,393,656.64 = 709,273,118 : x - Step 2: Convert to fraction form
1,167,802,181.84/1,611,393,656.64 = 709,273,118/x - Step 3: Cross multiply
1,167,802,181.84x = 1,611,393,656.64 × 709,273,118 - Step 4: Simplify right side
1,167,802,181.84x = 1,142,918,203,170,474,240 - Step 5: Solve for x
x = 1,142,918,203,170,474,240/1,167,802,181.84 - Step 6: Final answer
x = 978,691,614.85
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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.