Finding the Fourth Proportional to 265,696,376.40, 398,544,564.60 and 149,470,229.70
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Solution
The fourth proportional to 265,696,376.40, 398,544,564.60 and 149,470,229.70 is: 224,205,344.55
Step by Step Solution
- Step 1: Write the proportion equation
265,696,376.40 : 398,544,564.60 = 149,470,229.70 : x - Step 2: Convert to fraction form
265,696,376.40/398,544,564.60 = 149,470,229.70/x - Step 3: Cross multiply
265,696,376.40x = 398,544,564.60 × 149,470,229.70 - Step 4: Simplify right side
265,696,376.40x = 59,570,547,616,448,488 - Step 5: Solve for x
x = 59,570,547,616,448,488/265,696,376.40 - Step 6: Final answer
x = 224,205,344.55
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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.