Finding the Fourth Proportional to 336,671,791.36, 464,927,949.30 and 318,330,122.20
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Solution
The fourth proportional to 336,671,791.36, 464,927,949.30 and 318,330,122.20 is: 439,598,964.67
Step by Step Solution
- Step 1: Write the proportion equation
336,671,791.36 : 464,927,949.30 = 318,330,122.20 : x - Step 2: Convert to fraction form
336,671,791.36/464,927,949.30 = 318,330,122.20/x - Step 3: Cross multiply
336,671,791.36x = 464,927,949.30 × 318,330,122.20 - Step 4: Simplify right side
336,671,791.36x = 148,000,570,914,864,416 - Step 5: Solve for x
x = 148,000,570,914,864,416/336,671,791.36 - Step 6: Final answer
x = 439,598,964.67
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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.