Finding the Fourth Proportional to 421,442,256,847.45, 632,287,567,677.99 and 169,773,944,984.42
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Solution
The fourth proportional to 421,442,256,847.45, 632,287,567,677.99 and 169,773,944,984.42 is: 254,710,943,160.48
Step by Step Solution
- Step 1: Write the proportion equation
421,442,256,847.45 : 632,287,567,677.99 = 169,773,944,984.42 : x - Step 2: Convert to fraction form
421,442,256,847.45/632,287,567,677.99 = 169,773,944,984.42/x - Step 3: Cross multiply
421,442,256,847.45x = 632,287,567,677.99 × 169,773,944,984.42 - Step 4: Simplify right side
421,442,256,847.45x = 107,345,954,729,295,825,862,656 - Step 5: Solve for x
x = 107,345,954,729,295,825,862,656/421,442,256,847.45 - Step 6: Final answer
x = 254,710,943,160.48
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.