Finding the Fourth Proportional to 1,027,725,973.44, 1,541,342,126.28 and 474,496,858.44
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Solution
The fourth proportional to 1,027,725,973.44, 1,541,342,126.28 and 474,496,858.44 is: 711,631,325.47
Step by Step Solution
- Step 1: Write the proportion equation
1,027,725,973.44 : 1,541,342,126.28 = 474,496,858.44 : x - Step 2: Convert to fraction form
1,027,725,973.44/1,541,342,126.28 = 474,496,858.44/x - Step 3: Cross multiply
1,027,725,973.44x = 1,541,342,126.28 × 474,496,858.44 - Step 4: Simplify right side
1,027,725,973.44x = 731,361,996,701,089,792 - Step 5: Solve for x
x = 731,361,996,701,089,792/1,027,725,973.44 - Step 6: Final answer
x = 711,631,325.47
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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.