Finding the Fourth Proportional to 38,509,160,716.28, 53,134,683,837.40 and 22,232,485,485.70
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Solution
The fourth proportional to 38,509,160,716.28, 53,134,683,837.40 and 22,232,485,485.70 is: 30,676,235,608.09
Step by Step Solution
- Step 1: Write the proportion equation
38,509,160,716.28 : 53,134,683,837.40 = 22,232,485,485.70 : x - Step 2: Convert to fraction form
38,509,160,716.28/53,134,683,837.40 = 22,232,485,485.70/x - Step 3: Cross multiply
38,509,160,716.28x = 53,134,683,837.40 × 22,232,485,485.70 - Step 4: Simplify right side
38,509,160,716.28x = 1,181,316,087,202,253,897,728 - Step 5: Solve for x
x = 1,181,316,087,202,253,897,728/38,509,160,716.28 - Step 6: Final answer
x = 30,676,235,608.09
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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.