Finding the Fourth Proportional to 8,755,657,040.58, 13,130,769,278.12 and 3,158,866,554.14
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Solution
The fourth proportional to 8,755,657,040.58, 13,130,769,278.12 and 3,158,866,554.14 is: 4,737,319,850.52
Step by Step Solution
- Step 1: Write the proportion equation
8,755,657,040.58 : 13,130,769,278.12 = 3,158,866,554.14 : x - Step 2: Convert to fraction form
8,755,657,040.58/13,130,769,278.12 = 3,158,866,554.14/x - Step 3: Cross multiply
8,755,657,040.58x = 13,130,769,278.12 × 3,158,866,554.14 - Step 4: Simplify right side
8,755,657,040.58x = 41,478,347,902,716,649,472 - Step 5: Solve for x
x = 41,478,347,902,716,649,472/8,755,657,040.58 - Step 6: Final answer
x = 4,737,319,850.52
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1.5x scale
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.