Finding the Fourth Proportional to 783,074,584.28, 1,080,337,089.64 and 448,368,241.88
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Solution
The fourth proportional to 783,074,584.28, 1,080,337,089.64 and 448,368,241.88 is: 618,573,059.63
Step by Step Solution
- Step 1: Write the proportion equation
783,074,584.28 : 1,080,337,089.64 = 448,368,241.88 : x - Step 2: Convert to fraction form
783,074,584.28/1,080,337,089.64 = 448,368,241.88/x - Step 3: Cross multiply
783,074,584.28x = 1,080,337,089.64 × 448,368,241.88 - Step 4: Simplify right side
783,074,584.28x = 484,388,841,519,642,816 - Step 5: Solve for x
x = 484,388,841,519,642,816/783,074,584.28 - Step 6: Final answer
x = 618,573,059.63
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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.