Finding the Fourth Proportional to 509,953,703.13, 763,347,136.32 and 276,203,850.48
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Solution
The fourth proportional to 509,953,703.13, 763,347,136.32 and 276,203,850.48 is: 413,448,156.20
Step by Step Solution
- Step 1: Write the proportion equation
509,953,703.13 : 763,347,136.32 = 276,203,850.48 : x - Step 2: Convert to fraction form
509,953,703.13/763,347,136.32 = 276,203,850.48/x - Step 3: Cross multiply
509,953,703.13x = 763,347,136.32 × 276,203,850.48 - Step 4: Simplify right side
509,953,703.13x = 210,839,418,304,465,472 - Step 5: Solve for x
x = 210,839,418,304,465,472/509,953,703.13 - Step 6: Final answer
x = 413,448,156.20
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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.