Finding the Fourth Proportional to 508,292,486.10, 762,350,976.99 and 134,802,963.54
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Solution
The fourth proportional to 508,292,486.10, 762,350,976.99 and 134,802,963.54 is: 202,181,172.78
Step by Step Solution
- Step 1: Write the proportion equation
508,292,486.10 : 762,350,976.99 = 134,802,963.54 : x - Step 2: Convert to fraction form
508,292,486.10/762,350,976.99 = 134,802,963.54/x - Step 3: Cross multiply
508,292,486.10x = 762,350,976.99 × 134,802,963.54 - Step 4: Simplify right side
508,292,486.10x = 102,767,170,955,866,336 - Step 5: Solve for x
x = 102,767,170,955,866,336/508,292,486.10 - Step 6: Final answer
x = 202,181,172.78
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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.