Finding the Fourth Proportional to 1,982,082,842.95, 2,735,346,240.79 and 1,135,473,788.80
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Solution
The fourth proportional to 1,982,082,842.95, 2,735,346,240.79 and 1,135,473,788.80 is: 1,566,995,027.86
Step by Step Solution
- Step 1: Write the proportion equation
1,982,082,842.95 : 2,735,346,240.79 = 1,135,473,788.80 : x - Step 2: Convert to fraction form
1,982,082,842.95/2,735,346,240.79 = 1,135,473,788.80/x - Step 3: Cross multiply
1,982,082,842.95x = 2,735,346,240.79 × 1,135,473,788.80 - Step 4: Simplify right side
1,982,082,842.95x = 3,105,913,959,703,980,544 - Step 5: Solve for x
x = 3,105,913,959,703,980,544/1,982,082,842.95 - Step 6: Final answer
x = 1,566,995,027.86
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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.