Finding the Fourth Proportional to 868,133,045.80, 1,302,199,568.70 and 704,874,370.60
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Solution
The fourth proportional to 868,133,045.80, 1,302,199,568.70 and 704,874,370.60 is: 1,057,311,555.90
Step by Step Solution
- Step 1: Write the proportion equation
868,133,045.80 : 1,302,199,568.70 = 704,874,370.60 : x - Step 2: Convert to fraction form
868,133,045.80/1,302,199,568.70 = 704,874,370.60/x - Step 3: Cross multiply
868,133,045.80x = 1,302,199,568.70 × 704,874,370.60 - Step 4: Simplify right side
868,133,045.80x = 917,887,101,383,004,032 - Step 5: Solve for x
x = 917,887,101,383,004,032/868,133,045.80 - Step 6: Final answer
x = 1,057,311,555.90
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Similar ratio
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1.5x scale
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.