Finding the Fourth Proportional to 947,259,519.44, 1,307,072,913.62 and 545,295,569.09
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Solution
The fourth proportional to 947,259,519.44, 1,307,072,913.62 and 545,295,569.09 is: 752,424,286.74
Step by Step Solution
- Step 1: Write the proportion equation
947,259,519.44 : 1,307,072,913.62 = 545,295,569.09 : x - Step 2: Convert to fraction form
947,259,519.44/1,307,072,913.62 = 545,295,569.09/x - Step 3: Cross multiply
947,259,519.44x = 1,307,072,913.62 × 545,295,569.09 - Step 4: Simplify right side
947,259,519.44x = 712,741,068,265,280,512 - Step 5: Solve for x
x = 712,741,068,265,280,512/947,259,519.44 - Step 6: Final answer
x = 752,424,286.74
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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.