Finding the Fourth Proportional to 3,236,428,239.36, 4,854,644,718.72 and 782,767,505.28
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Solution
The fourth proportional to 3,236,428,239.36, 4,854,644,718.72 and 782,767,505.28 is: 1,174,151,828.64
Step by Step Solution
- Step 1: Write the proportion equation
3,236,428,239.36 : 4,854,644,718.72 = 782,767,505.28 : x - Step 2: Convert to fraction form
3,236,428,239.36/4,854,644,718.72 = 782,767,505.28/x - Step 3: Cross multiply
3,236,428,239.36x = 4,854,644,718.72 × 782,767,505.28 - Step 4: Simplify right side
3,236,428,239.36x = 3,800,058,135,493,181,952 - Step 5: Solve for x
x = 3,800,058,135,493,181,952/3,236,428,239.36 - Step 6: Final answer
x = 1,174,151,828.64
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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.