Finding the Fourth Proportional to 325,936,297.80, 488,904,446.70 and 249,408,793.80
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Solution
The fourth proportional to 325,936,297.80, 488,904,446.70 and 249,408,793.80 is: 374,113,190.70
Step by Step Solution
- Step 1: Write the proportion equation
325,936,297.80 : 488,904,446.70 = 249,408,793.80 : x - Step 2: Convert to fraction form
325,936,297.80/488,904,446.70 = 249,408,793.80/x - Step 3: Cross multiply
325,936,297.80x = 488,904,446.70 × 249,408,793.80 - Step 4: Simplify right side
325,936,297.80x = 121,937,068,334,903,392 - Step 5: Solve for x
x = 121,937,068,334,903,392/325,936,297.80 - Step 6: Final answer
x = 374,113,190.70
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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.