Finding the Fourth Proportional to 1,651,891,884.84, 2,477,864,101.50 and 919,616,167.08
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Solution
The fourth proportional to 1,651,891,884.84, 2,477,864,101.50 and 919,616,167.08 is: 1,379,438,877.62
Step by Step Solution
- Step 1: Write the proportion equation
1,651,891,884.84 : 2,477,864,101.50 = 919,616,167.08 : x - Step 2: Convert to fraction form
1,651,891,884.84/2,477,864,101.50 = 919,616,167.08/x - Step 3: Cross multiply
1,651,891,884.84x = 2,477,864,101.50 × 919,616,167.08 - Step 4: Simplify right side
1,651,891,884.84x = 2,278,683,887,566,558,208 - Step 5: Solve for x
x = 2,278,683,887,566,558,208/1,651,891,884.84 - Step 6: Final answer
x = 1,379,438,877.62
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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.