Finding the Fourth Proportional to 77,490,467,610.25, 106,936,844,433.48 and 41,847,782,622.26
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Solution
The fourth proportional to 77,490,467,610.25, 106,936,844,433.48 and 41,847,782,622.26 is: 57,749,939,549.60
Step by Step Solution
- Step 1: Write the proportion equation
77,490,467,610.25 : 106,936,844,433.48 = 41,847,782,622.26 : x - Step 2: Convert to fraction form
77,490,467,610.25/106,936,844,433.48 = 41,847,782,622.26/x - Step 3: Cross multiply
77,490,467,610.25x = 106,936,844,433.48 × 41,847,782,622.26 - Step 4: Simplify right side
77,490,467,610.25x = 4,475,069,820,162,276,851,712 - Step 5: Solve for x
x = 4,475,069,820,162,276,851,712/77,490,467,610.25 - Step 6: Final answer
x = 57,749,939,549.60
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.