Finding the Fourth Proportional to 408,728,931.41, 613,364,177.82 and 224,624,975.06
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Solution
The fourth proportional to 408,728,931.41, 613,364,177.82 and 224,624,975.06 is: 337,086,275.42
Step by Step Solution
- Step 1: Write the proportion equation
408,728,931.41 : 613,364,177.82 = 224,624,975.06 : x - Step 2: Convert to fraction form
408,728,931.41/613,364,177.82 = 224,624,975.06/x - Step 3: Cross multiply
408,728,931.41x = 613,364,177.82 × 224,624,975.06 - Step 4: Simplify right side
408,728,931.41x = 137,776,913,142,448,096 - Step 5: Solve for x
x = 137,776,913,142,448,096/408,728,931.41 - Step 6: Final answer
x = 337,086,275.42
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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.