Finding the Fourth Proportional to 674,384,948.44, 1,011,646,814.55 and 254,559,936.80
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Solution
The fourth proportional to 674,384,948.44, 1,011,646,814.55 and 254,559,936.80 is: 381,866,098.55
Step by Step Solution
- Step 1: Write the proportion equation
674,384,948.44 : 1,011,646,814.55 = 254,559,936.80 : x - Step 2: Convert to fraction form
674,384,948.44/1,011,646,814.55 = 254,559,936.80/x - Step 3: Cross multiply
674,384,948.44x = 1,011,646,814.55 × 254,559,936.80 - Step 4: Simplify right side
674,384,948.44x = 257,524,749,177,331,136 - Step 5: Solve for x
x = 257,524,749,177,331,136/674,384,948.44 - Step 6: Final answer
x = 381,866,098.55
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1.5x scale
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.