Finding the Fourth Proportional to 68,751,654,480.87, 94,877,287,745.34 and 38,267,183,876.18
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Solution
The fourth proportional to 68,751,654,480.87, 94,877,287,745.34 and 38,267,183,876.18 is: 52,808,716,288.19
Step by Step Solution
- Step 1: Write the proportion equation
68,751,654,480.87 : 94,877,287,745.34 = 38,267,183,876.18 : x - Step 2: Convert to fraction form
68,751,654,480.87/94,877,287,745.34 = 38,267,183,876.18/x - Step 3: Cross multiply
68,751,654,480.87x = 94,877,287,745.34 × 38,267,183,876.18 - Step 4: Simplify right side
68,751,654,480.87x = 3,630,686,615,823,690,760,192 - Step 5: Solve for x
x = 3,630,686,615,823,690,760,192/68,751,654,480.87 - Step 6: Final answer
x = 52,808,716,288.19
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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.