Finding the Fourth Proportional to 3,771,419,079,843.80, 5,657,128,613,371.80 and 906,234,868,565.62
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Solution
The fourth proportional to 3,771,419,079,843.80, 5,657,128,613,371.80 and 906,234,868,565.62 is: 1,359,352,301,312.04
Step by Step Solution
- Step 1: Write the proportion equation
3,771,419,079,843.80 : 5,657,128,613,371.80 = 906,234,868,565.62 : x - Step 2: Convert to fraction form
3,771,419,079,843.80/5,657,128,613,371.80 = 906,234,868,565.62/x - Step 3: Cross multiply
3,771,419,079,843.80x = 5,657,128,613,371.80 × 906,234,868,565.62 - Step 4: Simplify right side
3,771,419,079,843.80x = 5,126,687,205,397,801,480,486,912 - Step 5: Solve for x
x = 5,126,687,205,397,801,480,486,912/3,771,419,079,843.80 - Step 6: Final answer
x = 1,359,352,301,312.04
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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.