Finding the Fourth Proportional to 298,572,458.88, 412,031,904.48 and 166,421,833
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Solution
The fourth proportional to 298,572,458.88, 412,031,904.48 and 166,421,833 is: 229,663,194.84
Step by Step Solution
- Step 1: Write the proportion equation
298,572,458.88 : 412,031,904.48 = 166,421,833 : x - Step 2: Convert to fraction form
298,572,458.88/412,031,904.48 = 166,421,833/x - Step 3: Cross multiply
298,572,458.88x = 412,031,904.48 × 166,421,833 - Step 4: Simplify right side
298,572,458.88x = 68,571,104,798,042,512 - Step 5: Solve for x
x = 68,571,104,798,042,512/298,572,458.88 - Step 6: Final answer
x = 229,663,194.84
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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.