Finding the Fourth Proportional to 15,288,665,889,975, 21,103,386,888,496 and 12,169,320,264,044
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Solution
The fourth proportional to 15,288,665,889,975, 21,103,386,888,496 and 12,169,320,264,044 is: 16,797,664,070,252.95
Step by Step Solution
- Step 1: Write the proportion equation
15,288,665,889,975 : 21,103,386,888,496 = 12,169,320,264,044 : x - Step 2: Convert to fraction form
15,288,665,889,975/21,103,386,888,496 = 12,169,320,264,044/x - Step 3: Cross multiply
15,288,665,889,975x = 21,103,386,888,496 × 12,169,320,264,044 - Step 4: Simplify right side
15,288,665,889,975x = 256,813,873,702,134,816,096,387,072 - Step 5: Solve for x
x = 256,813,873,702,134,816,096,387,072/15,288,665,889,975 - Step 6: Final answer
x = 16,797,664,070,252.95
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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.