Finding the Fourth Proportional to 330,937,994.97, 456,744,083.40 and 251,422,208.19
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Solution
The fourth proportional to 330,937,994.97, 456,744,083.40 and 251,422,208.19 is: 347,000,367.96
Step by Step Solution
- Step 1: Write the proportion equation
330,937,994.97 : 456,744,083.40 = 251,422,208.19 : x - Step 2: Convert to fraction form
330,937,994.97/456,744,083.40 = 251,422,208.19/x - Step 3: Cross multiply
330,937,994.97x = 456,744,083.40 × 251,422,208.19 - Step 4: Simplify right side
330,937,994.97x = 114,835,606,026,145,520 - Step 5: Solve for x
x = 114,835,606,026,145,520/330,937,994.97 - Step 6: Final answer
x = 347,000,367.96
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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.