Finding the Fourth Proportional to 488,701,571.92, 674,421,472.74 and 265,698,258.64
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Solution
The fourth proportional to 488,701,571.92, 674,421,472.74 and 265,698,258.64 is: 366,670,829.79
Step by Step Solution
- Step 1: Write the proportion equation
488,701,571.92 : 674,421,472.74 = 265,698,258.64 : x - Step 2: Convert to fraction form
488,701,571.92/674,421,472.74 = 265,698,258.64/x - Step 3: Cross multiply
488,701,571.92x = 674,421,472.74 × 265,698,258.64 - Step 4: Simplify right side
488,701,571.92x = 179,192,610,896,442,208 - Step 5: Solve for x
x = 179,192,610,896,442,208/488,701,571.92 - Step 6: Final answer
x = 366,670,829.79
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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.