Finding the Fourth Proportional to 1,460,325,644.65, 2,015,251,161.33 and 791,270,161.62
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Solution
The fourth proportional to 1,460,325,644.65, 2,015,251,161.33 and 791,270,161.62 is: 1,091,953,783.03
Step by Step Solution
- Step 1: Write the proportion equation
1,460,325,644.65 : 2,015,251,161.33 = 791,270,161.62 : x - Step 2: Convert to fraction form
1,460,325,644.65/2,015,251,161.33 = 791,270,161.62/x - Step 3: Cross multiply
1,460,325,644.65x = 2,015,251,161.33 × 791,270,161.62 - Step 4: Simplify right side
1,460,325,644.65x = 1,594,608,112,130,481,664 - Step 5: Solve for x
x = 1,594,608,112,130,481,664/1,460,325,644.65 - Step 6: Final answer
x = 1,091,953,783.03
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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.