Finding the Fourth Proportional to 318,306,351.24, 439,262,697.06 and 177,174,528.26
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Solution
The fourth proportional to 318,306,351.24, 439,262,697.06 and 177,174,528.26 is: 244,500,811.34
Step by Step Solution
- Step 1: Write the proportion equation
318,306,351.24 : 439,262,697.06 = 177,174,528.26 : x - Step 2: Convert to fraction form
318,306,351.24/439,262,697.06 = 177,174,528.26/x - Step 3: Cross multiply
318,306,351.24x = 439,262,697.06 × 177,174,528.26 - Step 4: Simplify right side
318,306,351.24x = 77,826,161,131,624,480 - Step 5: Solve for x
x = 77,826,161,131,624,480/318,306,351.24 - Step 6: Final answer
x = 244,500,811.34
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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.