Finding the Fourth Proportional to 349,078,335,394.97, 481,739,988,914.42 and 202,579,454,356.87
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Solution
The fourth proportional to 349,078,335,394.97, 481,739,988,914.42 and 202,579,454,356.87 is: 279,566,544,815.07
Step by Step Solution
- Step 1: Write the proportion equation
349,078,335,394.97 : 481,739,988,914.42 = 202,579,454,356.87 : x - Step 2: Convert to fraction form
349,078,335,394.97/481,739,988,914.42 = 202,579,454,356.87/x - Step 3: Cross multiply
349,078,335,394.97x = 481,739,988,914.42 × 202,579,454,356.87 - Step 4: Simplify right side
349,078,335,394.97x = 97,590,624,096,167,808,466,944 - Step 5: Solve for x
x = 97,590,624,096,167,808,466,944/349,078,335,394.97 - Step 6: Final answer
x = 279,566,544,815.07
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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.