Finding the Fourth Proportional to 514,327,741.41, 709,771,743.01 and 279,378,585.65
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Solution
The fourth proportional to 514,327,741.41, 709,771,743.01 and 279,378,585.65 is: 385,542,154.80
Step by Step Solution
- Step 1: Write the proportion equation
514,327,741.41 : 709,771,743.01 = 279,378,585.65 : x - Step 2: Convert to fraction form
514,327,741.41/709,771,743.01 = 279,378,585.65/x - Step 3: Cross multiply
514,327,741.41x = 709,771,743.01 × 279,378,585.65 - Step 4: Simplify right side
514,327,741.41x = 198,295,025,696,469,056 - Step 5: Solve for x
x = 198,295,025,696,469,056/514,327,741.41 - Step 6: Final answer
x = 385,542,154.80
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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.