Finding the Fourth Proportional to 1,720,348,451,232.70, 2,374,081,095,084.20 and 949,597,288,386.60
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Solution
The fourth proportional to 1,720,348,451,232.70, 2,374,081,095,084.20 and 949,597,288,386.60 is: 1,310,444,386,244.23
Step by Step Solution
- Step 1: Write the proportion equation
1,720,348,451,232.70 : 2,374,081,095,084.20 = 949,597,288,386.60 : x - Step 2: Convert to fraction form
1,720,348,451,232.70/2,374,081,095,084.20 = 949,597,288,386.60/x - Step 3: Cross multiply
1,720,348,451,232.70x = 2,374,081,095,084.20 × 949,597,288,386.60 - Step 4: Simplify right side
1,720,348,451,232.70x = 2,254,420,970,301,846,326,345,728 - Step 5: Solve for x
x = 2,254,420,970,301,846,326,345,728/1,720,348,451,232.70 - Step 6: Final answer
x = 1,310,444,386,244.23
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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.