Finding the Fourth Proportional to 1,589,473,875.08, 2,384,029,195.88 and 425,033,171.92
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Solution
The fourth proportional to 1,589,473,875.08, 2,384,029,195.88 and 425,033,171.92 is: 637,501,192.67
Step by Step Solution
- Step 1: Write the proportion equation
1,589,473,875.08 : 2,384,029,195.88 = 425,033,171.92 : x - Step 2: Convert to fraction form
1,589,473,875.08/2,384,029,195.88 = 425,033,171.92/x - Step 3: Cross multiply
1,589,473,875.08x = 2,384,029,195.88 × 425,033,171.92 - Step 4: Simplify right side
1,589,473,875.08x = 1,013,291,491,074,763,520 - Step 5: Solve for x
x = 1,013,291,491,074,763,520/1,589,473,875.08 - Step 6: Final answer
x = 637,501,192.67
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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.