Finding the Fourth Proportional to 541,367,953.13, 747,068,441.83 and 306,413,568.63
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Solution
The fourth proportional to 541,367,953.13, 747,068,441.83 and 306,413,568.63 is: 422,839,781.98
Step by Step Solution
- Step 1: Write the proportion equation
541,367,953.13 : 747,068,441.83 = 306,413,568.63 : x - Step 2: Convert to fraction form
541,367,953.13/747,068,441.83 = 306,413,568.63/x - Step 3: Cross multiply
541,367,953.13x = 747,068,441.83 × 306,413,568.63 - Step 4: Simplify right side
541,367,953.13x = 228,911,907,271,983,872 - Step 5: Solve for x
x = 228,911,907,271,983,872/541,367,953.13 - Step 6: Final answer
x = 422,839,781.98
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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.