Finding the Fourth Proportional to 3,190,674,813.57, 4,403,865,907.17 and 1,871,000,522.37
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Solution
The fourth proportional to 3,190,674,813.57, 4,403,865,907.17 and 1,871,000,522.37 is: 2,582,411,525.52
Step by Step Solution
- Step 1: Write the proportion equation
3,190,674,813.57 : 4,403,865,907.17 = 1,871,000,522.37 : x - Step 2: Convert to fraction form
3,190,674,813.57/4,403,865,907.17 = 1,871,000,522.37/x - Step 3: Cross multiply
3,190,674,813.57x = 4,403,865,907.17 × 1,871,000,522.37 - Step 4: Simplify right side
3,190,674,813.57x = 8,239,635,412,762,503,168 - Step 5: Solve for x
x = 8,239,635,412,762,503,168/3,190,674,813.57 - Step 6: Final answer
x = 2,582,411,525.52
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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.