Finding the Fourth Proportional to 369,817,418.28, 510,329,851.11 and 202,554,409.26
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Solution
The fourth proportional to 369,817,418.28, 510,329,851.11 and 202,554,409.26 is: 279,515,123.98
Step by Step Solution
- Step 1: Write the proportion equation
369,817,418.28 : 510,329,851.11 = 202,554,409.26 : x - Step 2: Convert to fraction form
369,817,418.28/510,329,851.11 = 202,554,409.26/x - Step 3: Cross multiply
369,817,418.28x = 510,329,851.11 × 202,554,409.26 - Step 4: Simplify right side
369,817,418.28x = 103,369,561,519,329,808 - Step 5: Solve for x
x = 103,369,561,519,329,808/369,817,418.28 - Step 6: Final answer
x = 279,515,123.98
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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.