Finding the Fourth Proportional to 4,448,422,673.52, 6,138,417,569.40 and 2,639,622,875.28
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Solution
The fourth proportional to 4,448,422,673.52, 6,138,417,569.40 and 2,639,622,875.28 is: 3,642,438,820.09
Step by Step Solution
- Step 1: Write the proportion equation
4,448,422,673.52 : 6,138,417,569.40 = 2,639,622,875.28 : x - Step 2: Convert to fraction form
4,448,422,673.52/6,138,417,569.40 = 2,639,622,875.28/x - Step 3: Cross multiply
4,448,422,673.52x = 6,138,417,569.40 × 2,639,622,875.28 - Step 4: Simplify right side
4,448,422,673.52x = 16,203,107,434,208,897,024 - Step 5: Solve for x
x = 16,203,107,434,208,897,024/4,448,422,673.52 - Step 6: Final answer
x = 3,642,438,820.09
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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.