Finding the Fourth Proportional to 479,509,245.26, 661,720,325.64 and 259,492,671.26
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Solution
The fourth proportional to 479,509,245.26, 661,720,325.64 and 259,492,671.26 is: 358,098,569.79
Step by Step Solution
- Step 1: Write the proportion equation
479,509,245.26 : 661,720,325.64 = 259,492,671.26 : x - Step 2: Convert to fraction form
479,509,245.26/661,720,325.64 = 259,492,671.26/x - Step 3: Cross multiply
479,509,245.26x = 661,720,325.64 × 259,492,671.26 - Step 4: Simplify right side
479,509,245.26x = 171,711,574,927,360,672 - Step 5: Solve for x
x = 171,711,574,927,360,672/479,509,245.26 - Step 6: Final answer
x = 358,098,569.79
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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.