Finding the Fourth Proportional to 882,629,456.36, 1,218,028,592.04 and 511,566,721.34
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Solution
The fourth proportional to 882,629,456.36, 1,218,028,592.04 and 511,566,721.34 is: 705,962,041.99
Step by Step Solution
- Step 1: Write the proportion equation
882,629,456.36 : 1,218,028,592.04 = 511,566,721.34 : x - Step 2: Convert to fraction form
882,629,456.36/1,218,028,592.04 = 511,566,721.34/x - Step 3: Cross multiply
882,629,456.36x = 1,218,028,592.04 × 511,566,721.34 - Step 4: Simplify right side
882,629,456.36x = 623,102,893,328,279,168 - Step 5: Solve for x
x = 623,102,893,328,279,168/882,629,456.36 - Step 6: Final answer
x = 705,962,041.99
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1.5x scale
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.