Finding the Fourth Proportional to 309,745,328.62, 464,614,843.64 and 79,713,519.34
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Solution
The fourth proportional to 309,745,328.62, 464,614,843.64 and 79,713,519.34 is: 119,569,468.53
Step by Step Solution
- Step 1: Write the proportion equation
309,745,328.62 : 464,614,843.64 = 79,713,519.34 : x - Step 2: Convert to fraction form
309,745,328.62/464,614,843.64 = 79,713,519.34/x - Step 3: Cross multiply
309,745,328.62x = 464,614,843.64 × 79,713,519.34 - Step 4: Simplify right side
309,745,328.62x = 37,036,084,324,148,216 - Step 5: Solve for x
x = 37,036,084,324,148,216/309,745,328.62 - Step 6: Final answer
x = 119,569,468.53
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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.