Finding the Fourth Proportional to 349,078,335,391.28, 481,739,988,909.34 and 202,579,454,353.18
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Solution
The fourth proportional to 349,078,335,391.28, 481,739,988,909.34 and 202,579,454,353.18 is: 279,566,544,809.99
Step by Step Solution
- Step 1: Write the proportion equation
349,078,335,391.28 : 481,739,988,909.34 = 202,579,454,353.18 : x - Step 2: Convert to fraction form
349,078,335,391.28/481,739,988,909.34 = 202,579,454,353.18/x - Step 3: Cross multiply
349,078,335,391.28x = 481,739,988,909.34 × 202,579,454,353.18 - Step 4: Simplify right side
349,078,335,391.28x = 97,590,624,093,361,080,893,440 - Step 5: Solve for x
x = 97,590,624,093,361,080,893,440/349,078,335,391.28 - Step 6: Final answer
x = 279,566,544,809.99
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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.