Finding the Fourth Proportional to 1,698,749,094.57, 2,344,346,480.87 and 946,062,265.96
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Solution
The fourth proportional to 1,698,749,094.57, 2,344,346,480.87 and 946,062,265.96 is: 1,305,606,431.80
Step by Step Solution
- Step 1: Write the proportion equation
1,698,749,094.57 : 2,344,346,480.87 = 946,062,265.96 : x - Step 2: Convert to fraction form
1,698,749,094.57/2,344,346,480.87 = 946,062,265.96/x - Step 3: Cross multiply
1,698,749,094.57x = 2,344,346,480.87 × 946,062,265.96 - Step 4: Simplify right side
1,698,749,094.57x = 2,217,897,743,891,738,624 - Step 5: Solve for x
x = 2,217,897,743,891,738,624/1,698,749,094.57 - Step 6: Final answer
x = 1,305,606,431.80
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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.