Finding the Fourth Proportional to 519,793,940.16, 717,316,138.80 and 284,845,119.84
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Solution
The fourth proportional to 519,793,940.16, 717,316,138.80 and 284,845,119.84 is: 393,086,540.13
Step by Step Solution
- Step 1: Write the proportion equation
519,793,940.16 : 717,316,138.80 = 284,845,119.84 : x - Step 2: Convert to fraction form
519,793,940.16/717,316,138.80 = 284,845,119.84/x - Step 3: Cross multiply
519,793,940.16x = 717,316,138.80 × 284,845,119.84 - Step 4: Simplify right side
519,793,940.16x = 204,324,001,519,652,032 - Step 5: Solve for x
x = 204,324,001,519,652,032/519,793,940.16 - Step 6: Final answer
x = 393,086,540.13
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.