Finding the Fourth Proportional to 343,312,919.20, 514,297,532.40 and 206,592,176.80
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Solution
The fourth proportional to 343,312,919.20, 514,297,532.40 and 206,592,176.80 is: 309,483,974.53
Step by Step Solution
- Step 1: Write the proportion equation
343,312,919.20 : 514,297,532.40 = 206,592,176.80 : x - Step 2: Convert to fraction form
343,312,919.20/514,297,532.40 = 206,592,176.80/x - Step 3: Cross multiply
343,312,919.20x = 514,297,532.40 × 206,592,176.80 - Step 4: Simplify right side
343,312,919.20x = 106,249,846,741,384,528 - Step 5: Solve for x
x = 106,249,846,741,384,528/343,312,919.20 - Step 6: Final answer
x = 309,483,974.53
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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.