Finding the Fourth Proportional to 466,987,586.99, 644,450,530.54 and 278,832,321.13
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Solution
The fourth proportional to 466,987,586.99, 644,450,530.54 and 278,832,321.13 is: 384,793,177.14
Step by Step Solution
- Step 1: Write the proportion equation
466,987,586.99 : 644,450,530.54 = 278,832,321.13 : x - Step 2: Convert to fraction form
466,987,586.99/644,450,530.54 = 278,832,321.13/x - Step 3: Cross multiply
466,987,586.99x = 644,450,530.54 × 278,832,321.13 - Step 4: Simplify right side
466,987,586.99x = 179,693,637,281,619,936 - Step 5: Solve for x
x = 179,693,637,281,619,936/466,987,586.99 - Step 6: Final answer
x = 384,793,177.14
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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.