Finding the Fourth Proportional to 1,639,565,886.28, 2,263,585,010.22 and 1,013,873,234.44
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Solution
The fourth proportional to 1,639,565,886.28, 2,263,585,010.22 and 1,013,873,234.44 is: 1,399,753,602.43
Step by Step Solution
- Step 1: Write the proportion equation
1,639,565,886.28 : 2,263,585,010.22 = 1,013,873,234.44 : x - Step 2: Convert to fraction form
1,639,565,886.28/2,263,585,010.22 = 1,013,873,234.44/x - Step 3: Cross multiply
1,639,565,886.28x = 2,263,585,010.22 × 1,013,873,234.44 - Step 4: Simplify right side
1,639,565,886.28x = 2,294,988,255,741,651,712 - Step 5: Solve for x
x = 2,294,988,255,741,651,712/1,639,565,886.28 - Step 6: Final answer
x = 1,399,753,602.43
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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.