Finding the Fourth Proportional to 413,873,614.80, 620,282,917.80 and 219,877,966.80
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Solution
The fourth proportional to 413,873,614.80, 620,282,917.80 and 219,877,966.80 is: 329,536,703.79
Step by Step Solution
- Step 1: Write the proportion equation
413,873,614.80 : 620,282,917.80 = 219,877,966.80 : x - Step 2: Convert to fraction form
413,873,614.80/620,282,917.80 = 219,877,966.80/x - Step 3: Cross multiply
413,873,614.80x = 620,282,917.80 × 219,877,966.80 - Step 4: Simplify right side
413,873,614.80x = 136,386,546,806,635,520 - Step 5: Solve for x
x = 136,386,546,806,635,520/413,873,614.80 - Step 6: Final answer
x = 329,536,703.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.