Finding the Fourth Proportional to 1,588,129,266.40, 2,382,193,899.60 and 482,731,986.40
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Solution
The fourth proportional to 1,588,129,266.40, 2,382,193,899.60 and 482,731,986.40 is: 724,097,979.60
Step by Step Solution
- Step 1: Write the proportion equation
1,588,129,266.40 : 2,382,193,899.60 = 482,731,986.40 : x - Step 2: Convert to fraction form
1,588,129,266.40/2,382,193,899.60 = 482,731,986.40/x - Step 3: Cross multiply
1,588,129,266.40x = 2,382,193,899.60 × 482,731,986.40 - Step 4: Simplify right side
1,588,129,266.40x = 1,149,961,193,143,870,080 - Step 5: Solve for x
x = 1,149,961,193,143,870,080/1,588,129,266.40 - Step 6: Final answer
x = 724,097,979.60
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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.