Finding the Fourth Proportional to 4,849,747,445.19, 7,274,590,641.87 and 2,609,849,856.65
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Solution
The fourth proportional to 4,849,747,445.19, 7,274,590,641.87 and 2,609,849,856.65 is: 3,914,758,357.71
Step by Step Solution
- Step 1: Write the proportion equation
4,849,747,445.19 : 7,274,590,641.87 = 2,609,849,856.65 : x - Step 2: Convert to fraction form
4,849,747,445.19/7,274,590,641.87 = 2,609,849,856.65/x - Step 3: Cross multiply
4,849,747,445.19x = 7,274,590,641.87 × 2,609,849,856.65 - Step 4: Simplify right side
4,849,747,445.19x = 18,985,589,343,835,475,968 - Step 5: Solve for x
x = 18,985,589,343,835,475,968/4,849,747,445.19 - Step 6: Final answer
x = 3,914,758,357.71
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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.