Finding the Fourth Proportional to 651,313,243.62, 976,964,888.79 and 166,638,274.02
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Solution
The fourth proportional to 651,313,243.62, 976,964,888.79 and 166,638,274.02 is: 249,956,137.76
Step by Step Solution
- Step 1: Write the proportion equation
651,313,243.62 : 976,964,888.79 = 166,638,274.02 : x - Step 2: Convert to fraction form
651,313,243.62/976,964,888.79 = 166,638,274.02/x - Step 3: Cross multiply
651,313,243.62x = 976,964,888.79 × 166,638,274.02 - Step 4: Simplify right side
651,313,243.62x = 162,799,742,846,106,848 - Step 5: Solve for x
x = 162,799,742,846,106,848/651,313,243.62 - Step 6: Final answer
x = 249,956,137.76
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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.