Finding the Fourth Proportional to 806,139,714,897.99, 1,112,465,288,180.60 and 440,333,778,186.09
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Solution
The fourth proportional to 806,139,714,897.99, 1,112,465,288,180.60 and 440,333,778,186.09 is: 607,656,507,169.39
Step by Step Solution
- Step 1: Write the proportion equation
806,139,714,897.99 : 1,112,465,288,180.60 = 440,333,778,186.09 : x - Step 2: Convert to fraction form
806,139,714,897.99/1,112,465,288,180.60 = 440,333,778,186.09/x - Step 3: Cross multiply
806,139,714,897.99x = 1,112,465,288,180.60 × 440,333,778,186.09 - Step 4: Simplify right side
806,139,714,897.99x = 489,856,043,445,441,068,531,712 - Step 5: Solve for x
x = 489,856,043,445,441,068,531,712/806,139,714,897.99 - Step 6: Final answer
x = 607,656,507,169.39
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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.