Finding the Fourth Proportional to 218,201,760,244.08, 301,074,757,160.54 and 121,843,020,495.61
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Solution
The fourth proportional to 218,201,760,244.08, 301,074,757,160.54 and 121,843,020,495.61 is: 168,118,982,020.99
Step by Step Solution
- Step 1: Write the proportion equation
218,201,760,244.08 : 301,074,757,160.54 = 121,843,020,495.61 : x - Step 2: Convert to fraction form
218,201,760,244.08/301,074,757,160.54 = 121,843,020,495.61/x - Step 3: Cross multiply
218,201,760,244.08x = 301,074,757,160.54 × 121,843,020,495.61 - Step 4: Simplify right side
218,201,760,244.08x = 36,683,857,807,422,477,303,808 - Step 5: Solve for x
x = 36,683,857,807,422,477,303,808/218,201,760,244.08 - Step 6: Final answer
x = 168,118,982,020.99
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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.