Finding the Fourth Proportional to 603,633,021.57, 905,448,402.20 and 189,141,574.07
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Solution
The fourth proportional to 603,633,021.57, 905,448,402.20 and 189,141,574.07 is: 283,712,006.99
Step by Step Solution
- Step 1: Write the proportion equation
603,633,021.57 : 905,448,402.20 = 189,141,574.07 : x - Step 2: Convert to fraction form
603,633,021.57/905,448,402.20 = 189,141,574.07/x - Step 3: Cross multiply
603,633,021.57x = 905,448,402.20 × 189,141,574.07 - Step 4: Simplify right side
603,633,021.57x = 171,257,936,034,010,912 - Step 5: Solve for x
x = 171,257,936,034,010,912/603,633,021.57 - Step 6: Final answer
x = 283,712,006.99
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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.