Finding the Fourth Proportional to 404,330,832.51, 557,976,655.40 and 228,156,162.99
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Solution
The fourth proportional to 404,330,832.51, 557,976,655.40 and 228,156,162.99 is: 314,855,565.04
Step by Step Solution
- Step 1: Write the proportion equation
404,330,832.51 : 557,976,655.40 = 228,156,162.99 : x - Step 2: Convert to fraction form
404,330,832.51/557,976,655.40 = 228,156,162.99/x - Step 3: Cross multiply
404,330,832.51x = 557,976,655.40 × 228,156,162.99 - Step 4: Simplify right side
404,330,832.51x = 127,305,812,732,916,688 - Step 5: Solve for x
x = 127,305,812,732,916,688/404,330,832.51 - Step 6: Final answer
x = 314,855,565.04
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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.