Finding the Fourth Proportional to 239,521,122,639.36, 330,541,761,381.12 and 132,594,853,317.12
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Solution
The fourth proportional to 239,521,122,639.36, 330,541,761,381.12 and 132,594,853,317.12 is: 182,982,343,613.61
Step by Step Solution
- Step 1: Write the proportion equation
239,521,122,639.36 : 330,541,761,381.12 = 132,594,853,317.12 : x - Step 2: Convert to fraction form
239,521,122,639.36/330,541,761,381.12 = 132,594,853,317.12/x - Step 3: Cross multiply
239,521,122,639.36x = 330,541,761,381.12 × 132,594,853,317.12 - Step 4: Simplify right side
239,521,122,639.36x = 43,828,136,365,512,080,752,640 - Step 5: Solve for x
x = 43,828,136,365,512,080,752,640/239,521,122,639.36 - Step 6: Final answer
x = 182,982,343,613.61
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1.5x scale
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.