Finding the Fourth Proportional to 4,936,767,862.84, 7,405,131,826.19 and 1,788,245,621.44
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Solution
The fourth proportional to 4,936,767,862.84, 7,405,131,826.19 and 1,788,245,621.44 is: 2,682,361,199.13
Step by Step Solution
- Step 1: Write the proportion equation
4,936,767,862.84 : 7,405,131,826.19 = 1,788,245,621.44 : x - Step 2: Convert to fraction form
4,936,767,862.84/7,405,131,826.19 = 1,788,245,621.44/x - Step 3: Cross multiply
4,936,767,862.84x = 7,405,131,826.19 × 1,788,245,621.44 - Step 4: Simplify right side
4,936,767,862.84x = 13,242,194,564,370,257,920 - Step 5: Solve for x
x = 13,242,194,564,370,257,920/4,936,767,862.84 - Step 6: Final answer
x = 2,682,361,199.13
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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.