Finding the Fourth Proportional to 358,024,709.72, 493,651,379.99 and 245,048,624.03
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Solution
The fourth proportional to 358,024,709.72, 493,651,379.99 and 245,048,624.03 is: 337,877,772.49
Step by Step Solution
- Step 1: Write the proportion equation
358,024,709.72 : 493,651,379.99 = 245,048,624.03 : x - Step 2: Convert to fraction form
358,024,709.72/493,651,379.99 = 245,048,624.03/x - Step 3: Cross multiply
358,024,709.72x = 493,651,379.99 × 245,048,624.03 - Step 4: Simplify right side
358,024,709.72x = 120,968,591,413,366,688 - Step 5: Solve for x
x = 120,968,591,413,366,688/358,024,709.72 - Step 6: Final answer
x = 337,877,772.49
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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.