Finding the Fourth Proportional to 1,922,936,135.60, 2,884,404,203.40 and 1,902,528,801.20
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Solution
The fourth proportional to 1,922,936,135.60, 2,884,404,203.40 and 1,902,528,801.20 is: 2,853,793,201.80
Step by Step Solution
- Step 1: Write the proportion equation
1,922,936,135.60 : 2,884,404,203.40 = 1,902,528,801.20 : x - Step 2: Convert to fraction form
1,922,936,135.60/2,884,404,203.40 = 1,902,528,801.20/x - Step 3: Cross multiply
1,922,936,135.60x = 2,884,404,203.40 × 1,902,528,801.20 - Step 4: Simplify right side
1,922,936,135.60x = 5,487,662,071,270,843,392 - Step 5: Solve for x
x = 5,487,662,071,270,843,392/1,922,936,135.60 - Step 6: Final answer
x = 2,853,793,201.80
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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.