Finding the Fourth Proportional to 397,808,813.52, 596,709,021.24 and 155,469,618
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Solution
The fourth proportional to 397,808,813.52, 596,709,021.24 and 155,469,618 is: 233,202,785.95
Step by Step Solution
- Step 1: Write the proportion equation
397,808,813.52 : 596,709,021.24 = 155,469,618 : x - Step 2: Convert to fraction form
397,808,813.52/596,709,021.24 = 155,469,618/x - Step 3: Cross multiply
397,808,813.52x = 596,709,021.24 × 155,469,618 - Step 4: Simplify right side
397,808,813.52x = 92,770,123,589,336,688 - Step 5: Solve for x
x = 92,770,123,589,336,688/397,808,813.52 - Step 6: Final answer
x = 233,202,785.95
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.