Finding the Fourth Proportional to 497,664,232.80, 746,496,349.20 and 477,508,840.80
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Solution
The fourth proportional to 497,664,232.80, 746,496,349.20 and 477,508,840.80 is: 716,263,261.20
Step by Step Solution
- Step 1: Write the proportion equation
497,664,232.80 : 746,496,349.20 = 477,508,840.80 : x - Step 2: Convert to fraction form
497,664,232.80/746,496,349.20 = 477,508,840.80/x - Step 3: Cross multiply
497,664,232.80x = 746,496,349.20 × 477,508,840.80 - Step 4: Simplify right side
497,664,232.80x = 356,458,606,367,924,032 - Step 5: Solve for x
x = 356,458,606,367,924,032/497,664,232.80 - Step 6: Final answer
x = 716,263,261.20
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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.