Finding the Fourth Proportional to 33,161,438,848.79, 49,691,542,170.38 and 19,689,193,164.17
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Solution
The fourth proportional to 33,161,438,848.79, 49,691,542,170.38 and 19,689,193,164.17 is: 29,503,737,062.78
Step by Step Solution
- Step 1: Write the proportion equation
33,161,438,848.79 : 49,691,542,170.38 = 19,689,193,164.17 : x - Step 2: Convert to fraction form
33,161,438,848.79/49,691,542,170.38 = 19,689,193,164.17/x - Step 3: Cross multiply
33,161,438,848.79x = 49,691,542,170.38 × 19,689,193,164.17 - Step 4: Simplify right side
33,161,438,848.79x = 978,386,372,417,862,762,496 - Step 5: Solve for x
x = 978,386,372,417,862,762,496/33,161,438,848.79 - Step 6: Final answer
x = 29,503,737,062.78
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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.