Finding the Fourth Proportional to 18,191,129,161.98, 27,262,303,084.29 and 14,157,730,203.17
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Solution
The fourth proportional to 18,191,129,161.98, 27,262,303,084.29 and 14,157,730,203.17 is: 21,217,612,625.78
Step by Step Solution
- Step 1: Write the proportion equation
18,191,129,161.98 : 27,262,303,084.29 = 14,157,730,203.17 : x - Step 2: Convert to fraction form
18,191,129,161.98/27,262,303,084.29 = 14,157,730,203.17/x - Step 3: Cross multiply
18,191,129,161.98x = 27,262,303,084.29 × 14,157,730,203.17 - Step 4: Simplify right side
18,191,129,161.98x = 385,972,331,784,427,208,704 - Step 5: Solve for x
x = 385,972,331,784,427,208,704/18,191,129,161.98 - Step 6: Final answer
x = 21,217,612,625.78
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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.