Finding the Fourth Proportional to 5,426,136,193.80, 8,139,204,290.70 and 1,341,310,081.80
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Solution
The fourth proportional to 5,426,136,193.80, 8,139,204,290.70 and 1,341,310,081.80 is: 2,011,965,122.70
Step by Step Solution
- Step 1: Write the proportion equation
5,426,136,193.80 : 8,139,204,290.70 = 1,341,310,081.80 : x - Step 2: Convert to fraction form
5,426,136,193.80/8,139,204,290.70 = 1,341,310,081.80/x - Step 3: Cross multiply
5,426,136,193.80x = 8,139,204,290.70 × 1,341,310,081.80 - Step 4: Simplify right side
5,426,136,193.80x = 10,917,196,772,945,727,488 - Step 5: Solve for x
x = 10,917,196,772,945,727,488/5,426,136,193.80 - Step 6: Final answer
x = 2,011,965,122.70
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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.