Finding the Fourth Proportional to 418,557,997.08, 577,605,452.31 and 230,382,267.75
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Solution
The fourth proportional to 418,557,997.08, 577,605,452.31 and 230,382,267.75 is: 317,925,006.56
Step by Step Solution
- Step 1: Write the proportion equation
418,557,997.08 : 577,605,452.31 = 230,382,267.75 : x - Step 2: Convert to fraction form
418,557,997.08/577,605,452.31 = 230,382,267.75/x - Step 3: Cross multiply
418,557,997.08x = 577,605,452.31 × 230,382,267.75 - Step 4: Simplify right side
418,557,997.08x = 133,070,053,967,942,256 - Step 5: Solve for x
x = 133,070,053,967,942,256/418,557,997.08 - Step 6: Final answer
x = 317,925,006.56
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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.