Finding the Fourth Proportional to 747,451,893.66, 1,120,918,202.49 and 415,964,767.21
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Solution
The fourth proportional to 747,451,893.66, 1,120,918,202.49 and 415,964,767.21 is: 623,802,659.56
Step by Step Solution
- Step 1: Write the proportion equation
747,451,893.66 : 1,120,918,202.49 = 415,964,767.21 : x - Step 2: Convert to fraction form
747,451,893.66/1,120,918,202.49 = 415,964,767.21/x - Step 3: Cross multiply
747,451,893.66x = 1,120,918,202.49 × 415,964,767.21 - Step 4: Simplify right side
747,451,893.66x = 466,262,479,160,204,480 - Step 5: Solve for x
x = 466,262,479,160,204,480/747,451,893.66 - Step 6: Final answer
x = 623,802,659.56
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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.