Finding the Fourth Proportional to 325,936,232.80, 488,904,349.20 and 249,408,728.80
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Solution
The fourth proportional to 325,936,232.80, 488,904,349.20 and 249,408,728.80 is: 374,113,093.20
Step by Step Solution
- Step 1: Write the proportion equation
325,936,232.80 : 488,904,349.20 = 249,408,728.80 : x - Step 2: Convert to fraction form
325,936,232.80/488,904,349.20 = 249,408,728.80/x - Step 3: Cross multiply
325,936,232.80x = 488,904,349.20 × 249,408,728.80 - Step 4: Simplify right side
325,936,232.80x = 121,937,012,238,763,296 - Step 5: Solve for x
x = 121,937,012,238,763,296/325,936,232.80 - Step 6: Final answer
x = 374,113,093.20
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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.