Finding the Fourth Proportional to 349,078,335,394.66, 481,739,988,913.96 and 202,579,454,356.56
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Solution
The fourth proportional to 349,078,335,394.66, 481,739,988,913.96 and 202,579,454,356.56 is: 279,566,544,814.62
Step by Step Solution
- Step 1: Write the proportion equation
349,078,335,394.66 : 481,739,988,913.96 = 202,579,454,356.56 : x - Step 2: Convert to fraction form
349,078,335,394.66/481,739,988,913.96 = 202,579,454,356.56/x - Step 3: Cross multiply
349,078,335,394.66x = 481,739,988,913.96 × 202,579,454,356.56 - Step 4: Simplify right side
349,078,335,394.66x = 97,590,624,095,925,277,032,448 - Step 5: Solve for x
x = 97,590,624,095,925,277,032,448/349,078,335,394.66 - Step 6: Final answer
x = 279,566,544,814.62
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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.