Finding the Fourth Proportional to 747,451,892.66, 1,120,918,200.99 and 415,964,766.21
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Solution
The fourth proportional to 747,451,892.66, 1,120,918,200.99 and 415,964,766.21 is: 623,802,658.07
Step by Step Solution
- Step 1: Write the proportion equation
747,451,892.66 : 1,120,918,200.99 = 415,964,766.21 : x - Step 2: Convert to fraction form
747,451,892.66/1,120,918,200.99 = 415,964,766.21/x - Step 3: Cross multiply
747,451,892.66x = 1,120,918,200.99 × 415,964,766.21 - Step 4: Simplify right side
747,451,892.66x = 466,262,477,416,379,072 - Step 5: Solve for x
x = 466,262,477,416,379,072/747,451,892.66 - Step 6: Final answer
x = 623,802,658.07
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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.