Finding the Fourth Proportional to 1,192,804,783.47, 1,646,082,036.87 and 656,968,596.44
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Solution
The fourth proportional to 1,192,804,783.47, 1,646,082,036.87 and 656,968,596.44 is: 906,622,961.58
Step by Step Solution
- Step 1: Write the proportion equation
1,192,804,783.47 : 1,646,082,036.87 = 656,968,596.44 : x - Step 2: Convert to fraction form
1,192,804,783.47/1,646,082,036.87 = 656,968,596.44/x - Step 3: Cross multiply
1,192,804,783.47x = 1,646,082,036.87 × 656,968,596.44 - Step 4: Simplify right side
1,192,804,783.47x = 1,081,424,205,379,349,632 - Step 5: Solve for x
x = 1,081,424,205,379,349,632/1,192,804,783.47 - Step 6: Final answer
x = 906,622,961.58
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1.5x scale
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.