Finding the Fourth Proportional to 813,651,292,659, 1,122,765,802,458.50 and 471,118,274,193.47
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Solution
The fourth proportional to 813,651,292,659, 1,122,765,802,458.50 and 471,118,274,193.47 is: 650,100,960,878.56
Step by Step Solution
- Step 1: Write the proportion equation
813,651,292,659 : 1,122,765,802,458.50 = 471,118,274,193.47 : x - Step 2: Convert to fraction form
813,651,292,659/1,122,765,802,458.50 = 471,118,274,193.47/x - Step 3: Cross multiply
813,651,292,659x = 1,122,765,802,458.50 × 471,118,274,193.47 - Step 4: Simplify right side
813,651,292,659x = 528,955,487,177,694,915,854,336 - Step 5: Solve for x
x = 528,955,487,177,694,915,854,336/813,651,292,659 - Step 6: Final answer
x = 650,100,960,878.56
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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.