Finding the Fourth Proportional to 1,558,729,948.23, 2,151,030,192.19 and 844,247,727.77
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Solution
The fourth proportional to 1,558,729,948.23, 2,151,030,192.19 and 844,247,727.77 is: 1,165,052,582.82
Step by Step Solution
- Step 1: Write the proportion equation
1,558,729,948.23 : 2,151,030,192.19 = 844,247,727.77 : x - Step 2: Convert to fraction form
1,558,729,948.23/2,151,030,192.19 = 844,247,727.77/x - Step 3: Cross multiply
1,558,729,948.23x = 2,151,030,192.19 × 844,247,727.77 - Step 4: Simplify right side
1,558,729,948.23x = 1,816,002,352,108,208,128 - Step 5: Solve for x
x = 1,816,002,352,108,208,128/1,558,729,948.23 - Step 6: Final answer
x = 1,165,052,582.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.