Finding the Fourth Proportional to 346,616,363.02, 478,381,919.38 and 219,468,859.26
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Solution
The fourth proportional to 346,616,363.02, 478,381,919.38 and 219,468,859.26 is: 302,899,531.99
Step by Step Solution
- Step 1: Write the proportion equation
346,616,363.02 : 478,381,919.38 = 219,468,859.26 : x - Step 2: Convert to fraction form
346,616,363.02/478,381,919.38 = 219,468,859.26/x - Step 3: Cross multiply
346,616,363.02x = 478,381,919.38 × 219,468,859.26 - Step 4: Simplify right side
346,616,363.02x = 104,989,934,136,389,216 - Step 5: Solve for x
x = 104,989,934,136,389,216/346,616,363.02 - Step 6: Final answer
x = 302,899,531.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.