Finding the Fourth Proportional to 682,344,830.80, 1,023,517,246.20 and 559,900,824.40
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Solution
The fourth proportional to 682,344,830.80, 1,023,517,246.20 and 559,900,824.40 is: 839,851,236.60
Step by Step Solution
- Step 1: Write the proportion equation
682,344,830.80 : 1,023,517,246.20 = 559,900,824.40 : x - Step 2: Convert to fraction form
682,344,830.80/1,023,517,246.20 = 559,900,824.40/x - Step 3: Cross multiply
682,344,830.80x = 1,023,517,246.20 × 559,900,824.40 - Step 4: Simplify right side
682,344,830.80x = 573,068,149,934,997,760 - Step 5: Solve for x
x = 573,068,149,934,997,760/682,344,830.80 - Step 6: Final answer
x = 839,851,236.60
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1.5x scale
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.