Finding the Fourth Proportional to 2,671,603,473.42, 3,686,397,021 and 1,527,153,240.60
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Solution
The fourth proportional to 2,671,603,473.42, 3,686,397,021 and 1,527,153,240.60 is: 2,107,233,806.50
Step by Step Solution
- Step 1: Write the proportion equation
2,671,603,473.42 : 3,686,397,021 = 1,527,153,240.60 : x - Step 2: Convert to fraction form
2,671,603,473.42/3,686,397,021 = 1,527,153,240.60/x - Step 3: Cross multiply
2,671,603,473.42x = 3,686,397,021 × 1,527,153,240.60 - Step 4: Simplify right side
2,671,603,473.42x = 5,629,693,156,758,335,488 - Step 5: Solve for x
x = 5,629,693,156,758,335,488/2,671,603,473.42 - Step 6: Final answer
x = 2,107,233,806.50
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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.