Finding the Fourth Proportional to 1,594,320,220.80, 2,391,858,244.80 and 818,085,686.40
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Solution
The fourth proportional to 1,594,320,220.80, 2,391,858,244.80 and 818,085,686.40 is: 1,227,322,446.55
Step by Step Solution
- Step 1: Write the proportion equation
1,594,320,220.80 : 2,391,858,244.80 = 818,085,686.40 : x - Step 2: Convert to fraction form
1,594,320,220.80/2,391,858,244.80 = 818,085,686.40/x - Step 3: Cross multiply
1,594,320,220.80x = 2,391,858,244.80 × 818,085,686.40 - Step 4: Simplify right side
1,594,320,220.80x = 1,956,744,993,968,707,328 - Step 5: Solve for x
x = 1,956,744,993,968,707,328/1,594,320,220.80 - Step 6: Final answer
x = 1,227,322,446.55
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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.