Finding the Fourth Proportional to 318,618,605.70, 477,927,908.55 and 232,525,163.70
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Solution
The fourth proportional to 318,618,605.70, 477,927,908.55 and 232,525,163.70 is: 348,787,745.55
Step by Step Solution
- Step 1: Write the proportion equation
318,618,605.70 : 477,927,908.55 = 232,525,163.70 : x - Step 2: Convert to fraction form
318,618,605.70/477,927,908.55 = 232,525,163.70/x - Step 3: Cross multiply
318,618,605.70x = 477,927,908.55 × 232,525,163.70 - Step 4: Simplify right side
318,618,605.70x = 111,130,265,172,387,376 - Step 5: Solve for x
x = 111,130,265,172,387,376/318,618,605.70 - Step 6: Final answer
x = 348,787,745.55
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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.