Finding the Fourth Proportional to 1,057,536,703.24, 1,586,574,143.34 and 621,206,408.68
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Solution
The fourth proportional to 1,057,536,703.24, 1,586,574,143.34 and 621,206,408.68 is: 931,967,677.97
Step by Step Solution
- Step 1: Write the proportion equation
1,057,536,703.24 : 1,586,574,143.34 = 621,206,408.68 : x - Step 2: Convert to fraction form
1,057,536,703.24/1,586,574,143.34 = 621,206,408.68/x - Step 3: Cross multiply
1,057,536,703.24x = 1,586,574,143.34 × 621,206,408.68 - Step 4: Simplify right side
1,057,536,703.24x = 985,590,025,688,788,864 - Step 5: Solve for x
x = 985,590,025,688,788,864/1,057,536,703.24 - Step 6: Final answer
x = 931,967,677.97
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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.