Finding the Fourth Proportional to 421,053,896.70, 631,486,366.65 and 276,501,944.70
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Solution
The fourth proportional to 421,053,896.70, 631,486,366.65 and 276,501,944.70 is: 414,690,874.02
Step by Step Solution
- Step 1: Write the proportion equation
421,053,896.70 : 631,486,366.65 = 276,501,944.70 : x - Step 2: Convert to fraction form
421,053,896.70/631,486,366.65 = 276,501,944.70/x - Step 3: Cross multiply
421,053,896.70x = 631,486,366.65 × 276,501,944.70 - Step 4: Simplify right side
421,053,896.70x = 174,607,208,430,262,208 - Step 5: Solve for x
x = 174,607,208,430,262,208/421,053,896.70 - Step 6: Final answer
x = 414,690,874.02
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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.