Finding the Fourth Proportional to 358,474,896.68, 494,564,133.03 and 217,244,232.53
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Solution
The fourth proportional to 358,474,896.68, 494,564,133.03 and 217,244,232.53 is: 299,717,515.82
Step by Step Solution
- Step 1: Write the proportion equation
358,474,896.68 : 494,564,133.03 = 217,244,232.53 : x - Step 2: Convert to fraction form
358,474,896.68/494,564,133.03 = 217,244,232.53/x - Step 3: Cross multiply
358,474,896.68x = 494,564,133.03 × 217,244,232.53 - Step 4: Simplify right side
358,474,896.68x = 107,441,205,514,494,352 - Step 5: Solve for x
x = 107,441,205,514,494,352/358,474,896.68 - Step 6: Final answer
x = 299,717,515.82
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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.