Finding the Fourth Proportional to 127,650,893,487.40, 191,476,340,231.10 and 125,909,467,618.60
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Solution
The fourth proportional to 127,650,893,487.40, 191,476,340,231.10 and 125,909,467,618.60 is: 188,864,201,427.90
Step by Step Solution
- Step 1: Write the proportion equation
127,650,893,487.40 : 191,476,340,231.10 = 125,909,467,618.60 : x - Step 2: Convert to fraction form
127,650,893,487.40/191,476,340,231.10 = 125,909,467,618.60/x - Step 3: Cross multiply
127,650,893,487.40x = 191,476,340,231.10 × 125,909,467,618.60 - Step 4: Simplify right side
127,650,893,487.40x = 24,108,684,060,055,725,670,400 - Step 5: Solve for x
x = 24,108,684,060,055,725,670,400/127,650,893,487.40 - Step 6: Final answer
x = 188,864,201,427.90
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1.5x scale
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.