Finding the Fourth Proportional to 1,657,137,728.26, 2,486,034,046.77 and 607,885,676.76
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Solution
The fourth proportional to 1,657,137,728.26, 2,486,034,046.77 and 607,885,676.76 is: 911,948,634.80
Step by Step Solution
- Step 1: Write the proportion equation
1,657,137,728.26 : 2,486,034,046.77 = 607,885,676.76 : x - Step 2: Convert to fraction form
1,657,137,728.26/2,486,034,046.77 = 607,885,676.76/x - Step 3: Cross multiply
1,657,137,728.26x = 2,486,034,046.77 × 607,885,676.76 - Step 4: Simplify right side
1,657,137,728.26x = 1,511,224,488,969,182,976 - Step 5: Solve for x
x = 1,511,224,488,969,182,976/1,657,137,728.26 - Step 6: Final answer
x = 911,948,634.80
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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.