Finding the Fourth Proportional to 653,346,404.26, 901,618,167.62 and 355,988,646.44
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Solution
The fourth proportional to 653,346,404.26, 901,618,167.62 and 355,988,646.44 is: 491,264,402.78
Step by Step Solution
- Step 1: Write the proportion equation
653,346,404.26 : 901,618,167.62 = 355,988,646.44 : x - Step 2: Convert to fraction form
653,346,404.26/901,618,167.62 = 355,988,646.44/x - Step 3: Cross multiply
653,346,404.26x = 901,618,167.62 × 355,988,646.44 - Step 4: Simplify right side
653,346,404.26x = 320,965,831,096,756,864 - Step 5: Solve for x
x = 320,965,831,096,756,864/653,346,404.26 - Step 6: Final answer
x = 491,264,402.78
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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.