Finding the Fourth Proportional to 334,444,638.05, 501,666,957.08 and 212,000,631.65
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Solution
The fourth proportional to 334,444,638.05, 501,666,957.08 and 212,000,631.65 is: 318,000,947.48
Step by Step Solution
- Step 1: Write the proportion equation
334,444,638.05 : 501,666,957.08 = 212,000,631.65 : x - Step 2: Convert to fraction form
334,444,638.05/501,666,957.08 = 212,000,631.65/x - Step 3: Cross multiply
334,444,638.05x = 501,666,957.08 × 212,000,631.65 - Step 4: Simplify right side
334,444,638.05x = 106,353,711,777,833,440 - Step 5: Solve for x
x = 106,353,711,777,833,440/334,444,638.05 - Step 6: Final answer
x = 318,000,947.48
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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.