Finding the Fourth Proportional to 1,197,531,460.80, 1,796,558,464.80 and 680,209,732.80
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Solution
The fourth proportional to 1,197,531,460.80, 1,796,558,464.80 and 680,209,732.80 is: 1,020,463,005.19
Step by Step Solution
- Step 1: Write the proportion equation
1,197,531,460.80 : 1,796,558,464.80 = 680,209,732.80 : x - Step 2: Convert to fraction form
1,197,531,460.80/1,796,558,464.80 = 680,209,732.80/x - Step 3: Cross multiply
1,197,531,460.80x = 1,796,558,464.80 × 680,209,732.80 - Step 4: Simplify right side
1,197,531,460.80x = 1,222,036,553,301,186,048 - Step 5: Solve for x
x = 1,222,036,553,301,186,048/1,197,531,460.80 - Step 6: Final answer
x = 1,020,463,005.19
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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.