Finding the Fourth Proportional to 779,929,861.24, 1,169,894,720.84 and 343,230,545.28
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Solution
The fourth proportional to 779,929,861.24, 1,169,894,720.84 and 343,230,545.28 is: 514,845,786.67
Step by Step Solution
- Step 1: Write the proportion equation
779,929,861.24 : 1,169,894,720.84 = 343,230,545.28 : x - Step 2: Convert to fraction form
779,929,861.24/1,169,894,720.84 = 343,230,545.28/x - Step 3: Cross multiply
779,929,861.24x = 1,169,894,720.84 × 343,230,545.28 - Step 4: Simplify right side
779,929,861.24x = 401,543,602,954,106,496 - Step 5: Solve for x
x = 401,543,602,954,106,496/779,929,861.24 - Step 6: Final answer
x = 514,845,786.67
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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.