Finding the Fourth Proportional to 816,854,232.96, 1,127,266,035.84 and 445,577,915.52
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Solution
The fourth proportional to 816,854,232.96, 1,127,266,035.84 and 445,577,915.52 is: 614,901,447.80
Step by Step Solution
- Step 1: Write the proportion equation
816,854,232.96 : 1,127,266,035.84 = 445,577,915.52 : x - Step 2: Convert to fraction form
816,854,232.96/1,127,266,035.84 = 445,577,915.52/x - Step 3: Cross multiply
816,854,232.96x = 1,127,266,035.84 × 445,577,915.52 - Step 4: Simplify right side
816,854,232.96x = 502,284,850,486,080,768 - Step 5: Solve for x
x = 502,284,850,486,080,768/816,854,232.96 - Step 6: Final answer
x = 614,901,447.80
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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.