Finding the Fourth Proportional to 1,790,238,990.44, 2,452,639,328.99 and 1,723,139,471.21
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Solution
The fourth proportional to 1,790,238,990.44, 2,452,639,328.99 and 1,723,139,471.21 is: 2,360,712,541.18
Step by Step Solution
- Step 1: Write the proportion equation
1,790,238,990.44 : 2,452,639,328.99 = 1,723,139,471.21 : x - Step 2: Convert to fraction form
1,790,238,990.44/2,452,639,328.99 = 1,723,139,471.21/x - Step 3: Cross multiply
1,790,238,990.44x = 2,452,639,328.99 × 1,723,139,471.21 - Step 4: Simplify right side
1,790,238,990.44x = 4,226,239,636,434,582,016 - Step 5: Solve for x
x = 4,226,239,636,434,582,016/1,790,238,990.44 - Step 6: Final answer
x = 2,360,712,541.18
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.