Finding the Fourth Proportional to 347,848,623.80, 521,772,935.70 and 330,842,511.80
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Solution
The fourth proportional to 347,848,623.80, 521,772,935.70 and 330,842,511.80 is: 496,263,767.70
Step by Step Solution
- Step 1: Write the proportion equation
347,848,623.80 : 521,772,935.70 = 330,842,511.80 : x - Step 2: Convert to fraction form
347,848,623.80/521,772,935.70 = 330,842,511.80/x - Step 3: Cross multiply
347,848,623.80x = 521,772,935.70 × 330,842,511.80 - Step 4: Simplify right side
347,848,623.80x = 172,624,668,636,247,904 - Step 5: Solve for x
x = 172,624,668,636,247,904/347,848,623.80 - Step 6: Final answer
x = 496,263,767.70
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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.