Finding the Fourth Proportional to 567,463,821.66, 783,099,720.18 and 306,703,437.66
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Solution
The fourth proportional to 567,463,821.66, 783,099,720.18 and 306,703,437.66 is: 423,250,552.80
Step by Step Solution
- Step 1: Write the proportion equation
567,463,821.66 : 783,099,720.18 = 306,703,437.66 : x - Step 2: Convert to fraction form
567,463,821.66/783,099,720.18 = 306,703,437.66/x - Step 3: Cross multiply
567,463,821.66x = 783,099,720.18 × 306,703,437.66 - Step 4: Simplify right side
567,463,821.66x = 240,179,376,209,790,080 - Step 5: Solve for x
x = 240,179,376,209,790,080/567,463,821.66 - Step 6: Final answer
x = 423,250,552.80
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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.