Finding the Fourth Proportional to 794,699,638.88, 1,192,062,099.66 and 442,413,073.07
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Solution
The fourth proportional to 794,699,638.88, 1,192,062,099.66 and 442,413,073.07 is: 663,626,647.09
Step by Step Solution
- Step 1: Write the proportion equation
794,699,638.88 : 1,192,062,099.66 = 442,413,073.07 : x - Step 2: Convert to fraction form
794,699,638.88/1,192,062,099.66 = 442,413,073.07/x - Step 3: Cross multiply
794,699,638.88x = 1,192,062,099.66 × 442,413,073.07 - Step 4: Simplify right side
794,699,638.88x = 527,383,856,794,896,896 - Step 5: Solve for x
x = 527,383,856,794,896,896/794,699,638.88 - Step 6: Final answer
x = 663,626,647.09
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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.