Finding the Fourth Proportional to 947,259,517.19, 1,307,072,910.51 and 545,295,566.84
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Solution
The fourth proportional to 947,259,517.19, 1,307,072,910.51 and 545,295,566.84 is: 752,424,283.63
Step by Step Solution
- Step 1: Write the proportion equation
947,259,517.19 : 1,307,072,910.51 = 545,295,566.84 : x - Step 2: Convert to fraction form
947,259,517.19/1,307,072,910.51 = 545,295,566.84/x - Step 3: Cross multiply
947,259,517.19x = 1,307,072,910.51 × 545,295,566.84 - Step 4: Simplify right side
947,259,517.19x = 712,741,063,631,223,680 - Step 5: Solve for x
x = 712,741,063,631,223,680/947,259,517.19 - Step 6: Final answer
x = 752,424,283.63
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.