Finding the Fourth Proportional to 867,836,091.99, 1,197,622,603.94 and 471,362,912.31
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Solution
The fourth proportional to 867,836,091.99, 1,197,622,603.94 and 471,362,912.31 is: 650,485,597.05
Step by Step Solution
- Step 1: Write the proportion equation
867,836,091.99 : 1,197,622,603.94 = 471,362,912.31 : x - Step 2: Convert to fraction form
867,836,091.99/1,197,622,603.94 = 471,362,912.31/x - Step 3: Cross multiply
867,836,091.99x = 1,197,622,603.94 × 471,362,912.31 - Step 4: Simplify right side
867,836,091.99x = 564,514,878,439,087,232 - Step 5: Solve for x
x = 564,514,878,439,087,232/867,836,091.99 - Step 6: Final answer
x = 650,485,597.05
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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.