Finding the Fourth Proportional to 995,768,821.80, 1,493,653,232.70 and 995,768,821.80
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Solution
The fourth proportional to 995,768,821.80, 1,493,653,232.70 and 995,768,821.80 is: 1,493,653,232.70
Step by Step Solution
- Step 1: Write the proportion equation
995,768,821.80 : 1,493,653,232.70 = 995,768,821.80 : x - Step 2: Convert to fraction form
995,768,821.80/1,493,653,232.70 = 995,768,821.80/x - Step 3: Cross multiply
995,768,821.80x = 1,493,653,232.70 × 995,768,821.80 - Step 4: Simplify right side
995,768,821.80x = 1,487,333,319,703,440,128 - Step 5: Solve for x
x = 1,487,333,319,703,440,128/995,768,821.80 - Step 6: Final answer
x = 1,493,653,232.70
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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.