Finding the Fourth Proportional to 399,242,370.24, 550,923,721.44 and 225,419,271.36
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Solution
The fourth proportional to 399,242,370.24, 550,923,721.44 and 225,419,271.36 is: 311,061,232.77
Step by Step Solution
- Step 1: Write the proportion equation
399,242,370.24 : 550,923,721.44 = 225,419,271.36 : x - Step 2: Convert to fraction form
399,242,370.24/550,923,721.44 = 225,419,271.36/x - Step 3: Cross multiply
399,242,370.24x = 550,923,721.44 × 225,419,271.36 - Step 4: Simplify right side
399,242,370.24x = 124,188,823,861,944,432 - Step 5: Solve for x
x = 124,188,823,861,944,432/399,242,370.24 - Step 6: Final answer
x = 311,061,232.77
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.