Finding the Fourth Proportional to 782,405,436.26, 1,171,671,052.34 and 574,651,199.94
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Solution
The fourth proportional to 782,405,436.26, 1,171,671,052.34 and 574,651,199.94 is: 860,554,061.82
Step by Step Solution
- Step 1: Write the proportion equation
782,405,436.26 : 1,171,671,052.34 = 574,651,199.94 : x - Step 2: Convert to fraction form
782,405,436.26/1,171,671,052.34 = 574,651,199.94/x - Step 3: Cross multiply
782,405,436.26x = 1,171,671,052.34 × 574,651,199.94 - Step 4: Simplify right side
782,405,436.26x = 673,302,176,162,143,616 - Step 5: Solve for x
x = 673,302,176,162,143,616/782,405,436.26 - Step 6: Final answer
x = 860,554,061.82
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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.