Finding the Fourth Proportional to 1,515,691,053.97, 2,273,616,873.17 and 467,149,439.23
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Solution
The fourth proportional to 1,515,691,053.97, 2,273,616,873.17 and 467,149,439.23 is: 700,748,905.62
Step by Step Solution
- Step 1: Write the proportion equation
1,515,691,053.97 : 2,273,616,873.17 = 467,149,439.23 : x - Step 2: Convert to fraction form
1,515,691,053.97/2,273,616,873.17 = 467,149,439.23/x - Step 3: Cross multiply
1,515,691,053.97x = 2,273,616,873.17 × 467,149,439.23 - Step 4: Simplify right side
1,515,691,053.97x = 1,062,118,847,320,761,984 - Step 5: Solve for x
x = 1,062,118,847,320,761,984/1,515,691,053.97 - Step 6: Final answer
x = 700,748,905.62
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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.