Finding the Fourth Proportional to 2,440,160,620.90, 3,367,186,357.26 and 1,368,507,456.93
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Solution
The fourth proportional to 2,440,160,620.90, 3,367,186,357.26 and 1,368,507,456.93 is: 1,888,408,328.25
Step by Step Solution
- Step 1: Write the proportion equation
2,440,160,620.90 : 3,367,186,357.26 = 1,368,507,456.93 : x - Step 2: Convert to fraction form
2,440,160,620.90/3,367,186,357.26 = 1,368,507,456.93/x - Step 3: Cross multiply
2,440,160,620.90x = 3,367,186,357.26 × 1,368,507,456.93 - Step 4: Simplify right side
2,440,160,620.90x = 4,608,019,638,767,877,120 - Step 5: Solve for x
x = 4,608,019,638,767,877,120/2,440,160,620.90 - Step 6: Final answer
x = 1,888,408,328.25
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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.