Finding the Fourth Proportional to 147,426,557,450.58, 203,589,159,516.09 and 139,394,852,613.54
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Solution
The fourth proportional to 147,426,557,450.58, 203,589,159,516.09 and 139,394,852,613.54 is: 192,497,751,933.01
Step by Step Solution
- Step 1: Write the proportion equation
147,426,557,450.58 : 203,589,159,516.09 = 139,394,852,613.54 : x - Step 2: Convert to fraction form
147,426,557,450.58/203,589,159,516.09 = 139,394,852,613.54/x - Step 3: Cross multiply
147,426,557,450.58x = 203,589,159,516.09 × 139,394,852,613.54 - Step 4: Simplify right side
147,426,557,450.58x = 28,379,280,884,459,852,791,808 - Step 5: Solve for x
x = 28,379,280,884,459,852,791,808/147,426,557,450.58 - Step 6: Final answer
x = 192,497,751,933.01
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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.