Finding the Fourth Proportional to 239,255,355,630.49, 330,173,385,538.18 and 129,389,701,685.01
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Solution
The fourth proportional to 239,255,355,630.49, 330,173,385,538.18 and 129,389,701,685.01 is: 178,558,326,297.59
Step by Step Solution
- Step 1: Write the proportion equation
239,255,355,630.49 : 330,173,385,538.18 = 129,389,701,685.01 : x - Step 2: Convert to fraction form
239,255,355,630.49/330,173,385,538.18 = 129,389,701,685.01/x - Step 3: Cross multiply
239,255,355,630.49x = 330,173,385,538.18 × 129,389,701,685.01 - Step 4: Simplify right side
239,255,355,630.49x = 42,721,035,859,114,900,586,496 - Step 5: Solve for x
x = 42,721,035,859,114,900,586,496/239,255,355,630.49 - Step 6: Final answer
x = 178,558,326,297.59
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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.