Finding the Fourth Proportional to 351,121,855.50, 484,364,450.97 and 217,116,929.70
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Solution
The fourth proportional to 351,121,855.50, 484,364,450.97 and 217,116,929.70 is: 299,507,765.76
Step by Step Solution
- Step 1: Write the proportion equation
351,121,855.50 : 484,364,450.97 = 217,116,929.70 : x - Step 2: Convert to fraction form
351,121,855.50/484,364,450.97 = 217,116,929.70/x - Step 3: Cross multiply
351,121,855.50x = 484,364,450.97 × 217,116,929.70 - Step 4: Simplify right side
351,121,855.50x = 105,163,722,450,432,592 - Step 5: Solve for x
x = 105,163,722,450,432,592/351,121,855.50 - Step 6: Final answer
x = 299,507,765.76
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.