Finding the Fourth Proportional to 18,322,480,392.64, 27,432,515,927.04 and 9,898,205,200
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Solution
The fourth proportional to 18,322,480,392.64, 27,432,515,927.04 and 9,898,205,200 is: 14,819,645,920.17
Step by Step Solution
- Step 1: Write the proportion equation
18,322,480,392.64 : 27,432,515,927.04 = 9,898,205,200 : x - Step 2: Convert to fraction form
18,322,480,392.64/27,432,515,927.04 = 9,898,205,200/x - Step 3: Cross multiply
18,322,480,392.64x = 27,432,515,927.04 × 9,898,205,200 - Step 4: Simplify right side
18,322,480,392.64x = 271,532,671,798,110,158,848 - Step 5: Solve for x
x = 271,532,671,798,110,158,848/18,322,480,392.64 - Step 6: Final answer
x = 14,819,645,920.17
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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.