Finding the Fourth Proportional to 1,589,473,872.81, 2,384,029,192.50 and 425,033,169.66
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Solution
The fourth proportional to 1,589,473,872.81, 2,384,029,192.50 and 425,033,169.66 is: 637,501,189.28
Step by Step Solution
- Step 1: Write the proportion equation
1,589,473,872.81 : 2,384,029,192.50 = 425,033,169.66 : x - Step 2: Convert to fraction form
1,589,473,872.81/2,384,029,192.50 = 425,033,169.66/x - Step 3: Cross multiply
1,589,473,872.81x = 2,384,029,192.50 × 425,033,169.66 - Step 4: Simplify right side
1,589,473,872.81x = 1,013,291,484,250,245,376 - Step 5: Solve for x
x = 1,013,291,484,250,245,376/1,589,473,872.81 - Step 6: Final answer
x = 637,501,189.28
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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.