Finding the Fourth Proportional to 404,768,622.24, 558,580,786.08 and 219,131,163.36
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Solution
The fourth proportional to 404,768,622.24, 558,580,786.08 and 219,131,163.36 is: 302,401,052.75
Step by Step Solution
- Step 1: Write the proportion equation
404,768,622.24 : 558,580,786.08 = 219,131,163.36 : x - Step 2: Convert to fraction form
404,768,622.24/558,580,786.08 = 219,131,163.36/x - Step 3: Cross multiply
404,768,622.24x = 558,580,786.08 × 219,131,163.36 - Step 4: Simplify right side
404,768,622.24x = 122,402,457,484,253,712 - Step 5: Solve for x
x = 122,402,457,484,253,712/404,768,622.24 - Step 6: Final answer
x = 302,401,052.75
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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.