Finding the Fourth Proportional to 348,161,256.36, 480,447,385.74 and 191,518,431.12
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Solution
The fourth proportional to 348,161,256.36, 480,447,385.74 and 191,518,431.12 is: 264,287,102.23
Step by Step Solution
- Step 1: Write the proportion equation
348,161,256.36 : 480,447,385.74 = 191,518,431.12 : x - Step 2: Convert to fraction form
348,161,256.36/480,447,385.74 = 191,518,431.12/x - Step 3: Cross multiply
348,161,256.36x = 480,447,385.74 × 191,518,431.12 - Step 4: Simplify right side
348,161,256.36x = 92,014,529,552,630,272 - Step 5: Solve for x
x = 92,014,529,552,630,272/348,161,256.36 - Step 6: Final answer
x = 264,287,102.23
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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.