Finding the Fourth Proportional to 445,841,276.76, 668,496,984.05 and 169,512,718.28
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Solution
The fourth proportional to 445,841,276.76, 668,496,984.05 and 169,512,718.28 is: 254,168,348.32
Step by Step Solution
- Step 1: Write the proportion equation
445,841,276.76 : 668,496,984.05 = 169,512,718.28 : x - Step 2: Convert to fraction form
445,841,276.76/668,496,984.05 = 169,512,718.28/x - Step 3: Cross multiply
445,841,276.76x = 668,496,984.05 × 169,512,718.28 - Step 4: Simplify right side
445,841,276.76x = 113,318,740,925,378,608 - Step 5: Solve for x
x = 113,318,740,925,378,608/445,841,276.76 - Step 6: Final answer
x = 254,168,348.32
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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.