Finding the Fourth Proportional to 418,832,934.16, 627,432,090.30 and 326,283,324.68
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Solution
The fourth proportional to 418,832,934.16, 627,432,090.30 and 326,283,324.68 is: 488,788,277.47
Step by Step Solution
- Step 1: Write the proportion equation
418,832,934.16 : 627,432,090.30 = 326,283,324.68 : x - Step 2: Convert to fraction form
418,832,934.16/627,432,090.30 = 326,283,324.68/x - Step 3: Cross multiply
418,832,934.16x = 627,432,090.30 × 326,283,324.68 - Step 4: Simplify right side
418,832,934.16x = 204,720,628,434,005,952 - Step 5: Solve for x
x = 204,720,628,434,005,952/418,832,934.16 - Step 6: Final answer
x = 488,788,277.47
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.