Finding the Fourth Proportional to 412,484,191.43, 569,220,291.45 and 226,845,207.09
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Solution
The fourth proportional to 412,484,191.43, 569,220,291.45 and 226,845,207.09 is: 313,042,045.19
Step by Step Solution
- Step 1: Write the proportion equation
412,484,191.43 : 569,220,291.45 = 226,845,207.09 : x - Step 2: Convert to fraction form
412,484,191.43/569,220,291.45 = 226,845,207.09/x - Step 3: Cross multiply
412,484,191.43x = 569,220,291.45 × 226,845,207.09 - Step 4: Simplify right side
412,484,191.43x = 129,124,894,893,805,424 - Step 5: Solve for x
x = 129,124,894,893,805,424/412,484,191.43 - Step 6: Final answer
x = 313,042,045.19
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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.