Finding the Fourth Proportional to 664,157,691.36, 916,477,297.20 and 370,748,268
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Solution
The fourth proportional to 664,157,691.36, 916,477,297.20 and 370,748,268 is: 511,598,939.56
Step by Step Solution
- Step 1: Write the proportion equation
664,157,691.36 : 916,477,297.20 = 370,748,268 : x - Step 2: Convert to fraction form
664,157,691.36/916,477,297.20 = 370,748,268/x - Step 3: Cross multiply
664,157,691.36x = 916,477,297.20 × 370,748,268 - Step 4: Simplify right side
664,157,691.36x = 339,782,370,598,221,248 - Step 5: Solve for x
x = 339,782,370,598,221,248/664,157,691.36 - Step 6: Final answer
x = 511,598,939.56
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.