Finding the Fourth Proportional to 8,755,657,040.84, 13,130,769,278.49 and 3,158,866,554.39
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Solution
The fourth proportional to 8,755,657,040.84, 13,130,769,278.49 and 3,158,866,554.39 is: 4,737,319,850.90
Step by Step Solution
- Step 1: Write the proportion equation
8,755,657,040.84 : 13,130,769,278.49 = 3,158,866,554.39 : x - Step 2: Convert to fraction form
8,755,657,040.84/13,130,769,278.49 = 3,158,866,554.39/x - Step 3: Cross multiply
8,755,657,040.84x = 13,130,769,278.49 × 3,158,866,554.39 - Step 4: Simplify right side
8,755,657,040.84x = 41,478,347,907,233,767,424 - Step 5: Solve for x
x = 41,478,347,907,233,767,424/8,755,657,040.84 - Step 6: Final answer
x = 4,737,319,850.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.