Finding the Fourth Proportional to 13,549,913,914.05, 18,699,385,842.93 and 8,125,332,695.49
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Solution
The fourth proportional to 13,549,913,914.05, 18,699,385,842.93 and 8,125,332,695.49 is: 11,213,261,732.80
Step by Step Solution
- Step 1: Write the proportion equation
13,549,913,914.05 : 18,699,385,842.93 = 8,125,332,695.49 : x - Step 2: Convert to fraction form
13,549,913,914.05/18,699,385,842.93 = 8,125,332,695.49/x - Step 3: Cross multiply
13,549,913,914.05x = 18,699,385,842.93 × 8,125,332,695.49 - Step 4: Simplify right side
13,549,913,914.05x = 151,938,731,175,141,965,824 - Step 5: Solve for x
x = 151,938,731,175,141,965,824/13,549,913,914.05 - Step 6: Final answer
x = 11,213,261,732.80
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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.