Finding the Fourth Proportional to 1,820,211,534.34, 2,511,177,182.58 and 1,057,125,699.26
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Solution
The fourth proportional to 1,820,211,534.34, 2,511,177,182.58 and 1,057,125,699.26 is: 1,458,418,367.88
Step by Step Solution
- Step 1: Write the proportion equation
1,820,211,534.34 : 2,511,177,182.58 = 1,057,125,699.26 : x - Step 2: Convert to fraction form
1,820,211,534.34/2,511,177,182.58 = 1,057,125,699.26/x - Step 3: Cross multiply
1,820,211,534.34x = 2,511,177,182.58 × 1,057,125,699.26 - Step 4: Simplify right side
1,820,211,534.34x = 2,654,629,935,109,574,144 - Step 5: Solve for x
x = 2,654,629,935,109,574,144/1,820,211,534.34 - Step 6: Final answer
x = 1,458,418,367.88
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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.