Finding the Fourth Proportional to 624,531,326.40, 936,125,143.20 and 236,204,107.20
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Solution
The fourth proportional to 624,531,326.40, 936,125,143.20 and 236,204,107.20 is: 354,052,061.65
Step by Step Solution
- Step 1: Write the proportion equation
624,531,326.40 : 936,125,143.20 = 236,204,107.20 : x - Step 2: Convert to fraction form
624,531,326.40/936,125,143.20 = 236,204,107.20/x - Step 3: Cross multiply
624,531,326.40x = 936,125,143.20 × 236,204,107.20 - Step 4: Simplify right side
624,531,326.40x = 221,116,603,677,028,160 - Step 5: Solve for x
x = 221,116,603,677,028,160/624,531,326.40 - Step 6: Final answer
x = 354,052,061.65
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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.