Finding the Fourth Proportional to 7,431,326,290.60, 11,146,989,435.90 and 4,125,338,117.80
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Solution
The fourth proportional to 7,431,326,290.60, 11,146,989,435.90 and 4,125,338,117.80 is: 6,188,007,176.70
Step by Step Solution
- Step 1: Write the proportion equation
7,431,326,290.60 : 11,146,989,435.90 = 4,125,338,117.80 : x - Step 2: Convert to fraction form
7,431,326,290.60/11,146,989,435.90 = 4,125,338,117.80/x - Step 3: Cross multiply
7,431,326,290.60x = 11,146,989,435.90 × 4,125,338,117.80 - Step 4: Simplify right side
7,431,326,290.60x = 45,985,100,418,632,187,904 - Step 5: Solve for x
x = 45,985,100,418,632,187,904/7,431,326,290.60 - Step 6: Final answer
x = 6,188,007,176.70
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1.5x scale
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.