Finding the Fourth Proportional to 84,893,450,915.64, 127,292,393,835.18 and 28,202,964,072.42
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Solution
The fourth proportional to 84,893,450,915.64, 127,292,393,835.18 and 28,202,964,072.42 is: 42,288,571,984.11
Step by Step Solution
- Step 1: Write the proportion equation
84,893,450,915.64 : 127,292,393,835.18 = 28,202,964,072.42 : x - Step 2: Convert to fraction form
84,893,450,915.64/127,292,393,835.18 = 28,202,964,072.42/x - Step 3: Cross multiply
84,893,450,915.64x = 127,292,393,835.18 × 28,202,964,072.42 - Step 4: Simplify right side
84,893,450,915.64x = 3,590,022,810,025,917,939,712 - Step 5: Solve for x
x = 3,590,022,810,025,917,939,712/84,893,450,915.64 - Step 6: Final answer
x = 42,288,571,984.11
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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.