Finding the Fourth Proportional to 612,117,630.20, 919,968,035.70 and 533,287,652.60
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Solution
The fourth proportional to 612,117,630.20, 919,968,035.70 and 533,287,652.60 is: 801,492,343.99
Step by Step Solution
- Step 1: Write the proportion equation
612,117,630.20 : 919,968,035.70 = 533,287,652.60 : x - Step 2: Convert to fraction form
612,117,630.20/919,968,035.70 = 533,287,652.60/x - Step 3: Cross multiply
612,117,630.20x = 919,968,035.70 × 533,287,652.60 - Step 4: Simplify right side
612,117,630.20x = 490,607,594,225,486,016 - Step 5: Solve for x
x = 490,607,594,225,486,016/612,117,630.20 - Step 6: Final answer
x = 801,492,343.99
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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.