Finding the Fourth Proportional to 315,603,296.99, 435,494,824.58 and 174,455,449.37
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Solution
The fourth proportional to 315,603,296.99, 435,494,824.58 and 174,455,449.37 is: 240,727,666.81
Step by Step Solution
- Step 1: Write the proportion equation
315,603,296.99 : 435,494,824.58 = 174,455,449.37 : x - Step 2: Convert to fraction form
315,603,296.99/435,494,824.58 = 174,455,449.37/x - Step 3: Cross multiply
315,603,296.99x = 435,494,824.58 × 174,455,449.37 - Step 4: Simplify right side
315,603,296.99x = 75,974,445,320,413,216 - Step 5: Solve for x
x = 75,974,445,320,413,216/315,603,296.99 - Step 6: Final answer
x = 240,727,666.81
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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.