Finding the Fourth Proportional to 404,887,917.50, 558,745,189.99 and 219,248,933.19
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Solution
The fourth proportional to 404,887,917.50, 558,745,189.99 and 219,248,933.19 is: 302,563,454.07
Step by Step Solution
- Step 1: Write the proportion equation
404,887,917.50 : 558,745,189.99 = 219,248,933.19 : x - Step 2: Convert to fraction form
404,887,917.50/558,745,189.99 = 219,248,933.19/x - Step 3: Cross multiply
404,887,917.50x = 558,745,189.99 × 219,248,933.19 - Step 4: Simplify right side
404,887,917.50x = 122,504,286,829,803,232 - Step 5: Solve for x
x = 122,504,286,829,803,232/404,887,917.50 - Step 6: Final answer
x = 302,563,454.07
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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.