Finding the Fourth Proportional to 9,397,491,751,132.60, 12,968,539,240,194 and 5,230,645,675,342.70
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Solution
The fourth proportional to 9,397,491,751,132.60, 12,968,539,240,194 and 5,230,645,675,342.70 is: 7,218,291,379,086.07
Step by Step Solution
- Step 1: Write the proportion equation
9,397,491,751,132.60 : 12,968,539,240,194 = 5,230,645,675,342.70 : x - Step 2: Convert to fraction form
9,397,491,751,132.60/12,968,539,240,194 = 5,230,645,675,342.70/x - Step 3: Cross multiply
9,397,491,751,132.60x = 12,968,539,240,194 × 5,230,645,675,342.70 - Step 4: Simplify right side
9,397,491,751,132.60x = 67,833,833,692,232,848,991,322,112 - Step 5: Solve for x
x = 67,833,833,692,232,848,991,322,112/9,397,491,751,132.60 - Step 6: Final answer
x = 7,218,291,379,086.07
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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.