Finding the Fourth Proportional to 528,696,535.09, 729,620,908.75 and 317,037,825.75
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Solution
The fourth proportional to 528,696,535.09, 729,620,908.75 and 317,037,825.75 is: 437,524,007.02
Step by Step Solution
- Step 1: Write the proportion equation
528,696,535.09 : 729,620,908.75 = 317,037,825.75 : x - Step 2: Convert to fraction form
528,696,535.09/729,620,908.75 = 317,037,825.75/x - Step 3: Cross multiply
528,696,535.09x = 729,620,908.75 × 317,037,825.75 - Step 4: Simplify right side
528,696,535.09x = 231,317,426,531,839,136 - Step 5: Solve for x
x = 231,317,426,531,839,136/528,696,535.09 - Step 6: Final answer
x = 437,524,007.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.