Finding the Fourth Proportional to 741,249,099.20, 1,022,498,764.80 and 462,306,344.96
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Solution
The fourth proportional to 741,249,099.20, 1,022,498,764.80 and 462,306,344.96 is: 637,717,694.62
Step by Step Solution
- Step 1: Write the proportion equation
741,249,099.20 : 1,022,498,764.80 = 462,306,344.96 : x - Step 2: Convert to fraction form
741,249,099.20/1,022,498,764.80 = 462,306,344.96/x - Step 3: Cross multiply
741,249,099.20x = 1,022,498,764.80 × 462,306,344.96 - Step 4: Simplify right side
741,249,099.20x = 472,707,666,680,802,688 - Step 5: Solve for x
x = 472,707,666,680,802,688/741,249,099.20 - Step 6: Final answer
x = 637,717,694.62
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1.5x scale
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.