Finding the Fourth Proportional to 1,576,354,645.40, 2,364,531,968.10 and 995,879,355.80
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Solution
The fourth proportional to 1,576,354,645.40, 2,364,531,968.10 and 995,879,355.80 is: 1,493,819,033.70
Step by Step Solution
- Step 1: Write the proportion equation
1,576,354,645.40 : 2,364,531,968.10 = 995,879,355.80 : x - Step 2: Convert to fraction form
1,576,354,645.40/2,364,531,968.10 = 995,879,355.80/x - Step 3: Cross multiply
1,576,354,645.40x = 2,364,531,968.10 × 995,879,355.80 - Step 4: Simplify right side
1,576,354,645.40x = 2,354,788,573,159,933,952 - Step 5: Solve for x
x = 2,354,788,573,159,933,952/1,576,354,645.40 - Step 6: Final answer
x = 1,493,819,033.70
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Double scale
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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.