Finding the Fourth Proportional to 3,188,649,820.65, 4,782,974,730.98 and 2,882,539,804.65
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Solution
The fourth proportional to 3,188,649,820.65, 4,782,974,730.98 and 2,882,539,804.65 is: 4,323,809,706.98
Step by Step Solution
- Step 1: Write the proportion equation
3,188,649,820.65 : 4,782,974,730.98 = 2,882,539,804.65 : x - Step 2: Convert to fraction form
3,188,649,820.65/4,782,974,730.98 = 2,882,539,804.65/x - Step 3: Cross multiply
3,188,649,820.65x = 4,782,974,730.98 × 2,882,539,804.65 - Step 4: Simplify right side
3,188,649,820.65x = 13,787,115,046,670,565,376 - Step 5: Solve for x
x = 13,787,115,046,670,565,376/3,188,649,820.65 - Step 6: Final answer
x = 4,323,809,706.98
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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.