Finding the Fourth Proportional to 369,811,509.21, 553,836,744.81 and 214,037,294.76
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Solution
The fourth proportional to 369,811,509.21, 553,836,744.81 and 214,037,294.76 is: 320,546,320.61
Step by Step Solution
- Step 1: Write the proportion equation
369,811,509.21 : 553,836,744.81 = 214,037,294.76 : x - Step 2: Convert to fraction form
369,811,509.21/553,836,744.81 = 214,037,294.76/x - Step 3: Cross multiply
369,811,509.21x = 553,836,744.81 × 214,037,294.76 - Step 4: Simplify right side
369,811,509.21x = 118,541,718,597,816,848 - Step 5: Solve for x
x = 118,541,718,597,816,848/369,811,509.21 - Step 6: Final answer
x = 320,546,320.61
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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.