Finding the Fourth Proportional to 84,489,403,596.40, 126,734,105,394.60 and 70,852,202,383.60
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Solution
The fourth proportional to 84,489,403,596.40, 126,734,105,394.60 and 70,852,202,383.60 is: 106,278,303,575.40
Step by Step Solution
- Step 1: Write the proportion equation
84,489,403,596.40 : 126,734,105,394.60 = 70,852,202,383.60 : x - Step 2: Convert to fraction form
84,489,403,596.40/126,734,105,394.60 = 70,852,202,383.60/x - Step 3: Cross multiply
84,489,403,596.40x = 126,734,105,394.60 × 70,852,202,383.60 - Step 4: Simplify right side
84,489,403,596.40x = 8,979,390,484,322,692,628,480 - Step 5: Solve for x
x = 8,979,390,484,322,692,628,480/84,489,403,596.40 - Step 6: Final answer
x = 106,278,303,575.40
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1.5x scale
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.