Finding the Fourth Proportional to 445,865,224.26, 615,258,008.19 and 257,705,707.17
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Solution
The fourth proportional to 445,865,224.26, 615,258,008.19 and 257,705,707.17 is: 355,613,067.50
Step by Step Solution
- Step 1: Write the proportion equation
445,865,224.26 : 615,258,008.19 = 257,705,707.17 : x - Step 2: Convert to fraction form
445,865,224.26/615,258,008.19 = 257,705,707.17/x - Step 3: Cross multiply
445,865,224.26x = 615,258,008.19 × 257,705,707.17 - Step 4: Simplify right side
445,865,224.26x = 158,555,500,092,609,600 - Step 5: Solve for x
x = 158,555,500,092,609,600/445,865,224.26 - Step 6: Final answer
x = 355,613,067.50
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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.