Finding the Fourth Proportional to 18,428,319,679.68, 25,448,644,937.16 and 17,424,356,575.05
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Solution
The fourth proportional to 18,428,319,679.68, 25,448,644,937.16 and 17,424,356,575.05 is: 24,062,218,989.28
Step by Step Solution
- Step 1: Write the proportion equation
18,428,319,679.68 : 25,448,644,937.16 = 17,424,356,575.05 : x - Step 2: Convert to fraction form
18,428,319,679.68/25,448,644,937.16 = 17,424,356,575.05/x - Step 3: Cross multiply
18,428,319,679.68x = 25,448,644,937.16 × 17,424,356,575.05 - Step 4: Simplify right side
18,428,319,679.68x = 443,426,263,736,916,705,280 - Step 5: Solve for x
x = 443,426,263,736,916,705,280/18,428,319,679.68 - Step 6: Final answer
x = 24,062,218,989.28
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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.