Finding the Fourth Proportional to 1,328,542,854.70, 1,992,814,282.05 and 1,328,542,854.70
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Solution
The fourth proportional to 1,328,542,854.70, 1,992,814,282.05 and 1,328,542,854.70 is: 1,992,814,282.05
Step by Step Solution
- Step 1: Write the proportion equation
1,328,542,854.70 : 1,992,814,282.05 = 1,328,542,854.70 : x - Step 2: Convert to fraction form
1,328,542,854.70/1,992,814,282.05 = 1,328,542,854.70/x - Step 3: Cross multiply
1,328,542,854.70x = 1,992,814,282.05 × 1,328,542,854.70 - Step 4: Simplify right side
1,328,542,854.70x = 2,647,539,175,161,637,888 - Step 5: Solve for x
x = 2,647,539,175,161,637,888/1,328,542,854.70 - Step 6: Final answer
x = 1,992,814,282.05
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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.