Finding the Fourth Proportional to 18,506,989,995.24, 25,539,646,193.44 and 10,586,393,331.24
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Solution
The fourth proportional to 18,506,989,995.24, 25,539,646,193.44 and 10,586,393,331.24 is: 14,609,222,797.12
Step by Step Solution
- Step 1: Write the proportion equation
18,506,989,995.24 : 25,539,646,193.44 = 10,586,393,331.24 : x - Step 2: Convert to fraction form
18,506,989,995.24/25,539,646,193.44 = 10,586,393,331.24/x - Step 3: Cross multiply
18,506,989,995.24x = 25,539,646,193.44 × 10,586,393,331.24 - Step 4: Simplify right side
18,506,989,995.24x = 270,372,740,144,462,233,600 - Step 5: Solve for x
x = 270,372,740,144,462,233,600/18,506,989,995.24 - Step 6: Final answer
x = 14,609,222,797.12
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Double scale
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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.