Finding the Fourth Proportional to 958,457,668.20, 1,437,686,502.30 and 855,145,537.80
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Solution
The fourth proportional to 958,457,668.20, 1,437,686,502.30 and 855,145,537.80 is: 1,282,718,306.70
Step by Step Solution
- Step 1: Write the proportion equation
958,457,668.20 : 1,437,686,502.30 = 855,145,537.80 : x - Step 2: Convert to fraction form
958,457,668.20/1,437,686,502.30 = 855,145,537.80/x - Step 3: Cross multiply
958,457,668.20x = 1,437,686,502.30 × 855,145,537.80 - Step 4: Simplify right side
958,457,668.20x = 1,229,431,197,197,134,336 - Step 5: Solve for x
x = 1,229,431,197,197,134,336/958,457,668.20 - Step 6: Final answer
x = 1,282,718,306.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.