Finding the Fourth Proportional to 813,651,292,658.25, 1,122,765,802,457.40 and 471,118,274,192.72
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Solution
The fourth proportional to 813,651,292,658.25, 1,122,765,802,457.40 and 471,118,274,192.72 is: 650,100,960,877.48
Step by Step Solution
- Step 1: Write the proportion equation
813,651,292,658.25 : 1,122,765,802,457.40 = 471,118,274,192.72 : x - Step 2: Convert to fraction form
813,651,292,658.25/1,122,765,802,457.40 = 471,118,274,192.72/x - Step 3: Cross multiply
813,651,292,658.25x = 1,122,765,802,457.40 × 471,118,274,192.72 - Step 4: Simplify right side
813,651,292,658.25x = 528,955,487,176,334,619,181,056 - Step 5: Solve for x
x = 528,955,487,176,334,619,181,056/813,651,292,658.25 - Step 6: Final answer
x = 650,100,960,877.48
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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.