Finding the Fourth Proportional to 1,831,805,557,528.70, 2,748,963,450,845.40 and 639,325,292,095.08
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Solution
The fourth proportional to 1,831,805,557,528.70, 2,748,963,450,845.40 and 639,325,292,095.08 is: 959,425,990,355.37
Step by Step Solution
- Step 1: Write the proportion equation
1,831,805,557,528.70 : 2,748,963,450,845.40 = 639,325,292,095.08 : x - Step 2: Convert to fraction form
1,831,805,557,528.70/2,748,963,450,845.40 = 639,325,292,095.08/x - Step 3: Cross multiply
1,831,805,557,528.70x = 2,748,963,450,845.40 × 639,325,292,095.08 - Step 4: Simplify right side
1,831,805,557,528.70x = 1,757,481,861,170,434,190,344,192 - Step 5: Solve for x
x = 1,757,481,861,170,434,190,344,192/1,831,805,557,528.70 - Step 6: Final answer
x = 959,425,990,355.37
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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.