Finding the Fourth Proportional to 641,554,027.90, 962,735,850.42 and 273,088,378.62
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Solution
The fourth proportional to 641,554,027.90, 962,735,850.42 and 273,088,378.62 is: 409,804,881.57
Step by Step Solution
- Step 1: Write the proportion equation
641,554,027.90 : 962,735,850.42 = 273,088,378.62 : x - Step 2: Convert to fraction form
641,554,027.90/962,735,850.42 = 273,088,378.62/x - Step 3: Cross multiply
641,554,027.90x = 962,735,850.42 × 273,088,378.62 - Step 4: Simplify right side
641,554,027.90x = 262,911,972,425,730,976 - Step 5: Solve for x
x = 262,911,972,425,730,976/641,554,027.90 - Step 6: Final answer
x = 409,804,881.57
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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.