Finding the Fourth Proportional to 404,291,873.25, 557,922,784.68 and 218,652,888.74
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Solution
The fourth proportional to 404,291,873.25, 557,922,784.68 and 218,652,888.74 is: 301,740,986.24
Step by Step Solution
- Step 1: Write the proportion equation
404,291,873.25 : 557,922,784.68 = 218,652,888.74 : x - Step 2: Convert to fraction form
404,291,873.25/557,922,784.68 = 218,652,888.74/x - Step 3: Cross multiply
404,291,873.25x = 557,922,784.68 × 218,652,888.74 - Step 4: Simplify right side
404,291,873.25x = 121,991,428,561,357,392 - Step 5: Solve for x
x = 121,991,428,561,357,392/404,291,873.25 - Step 6: Final answer
x = 301,740,986.24
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.