Finding the Fourth Proportional to 121,142,304,593.70, 181,713,456,890.55 and 121,142,304,593.70
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Solution
The fourth proportional to 121,142,304,593.70, 181,713,456,890.55 and 121,142,304,593.70 is: 181,713,456,890.55
Step by Step Solution
- Step 1: Write the proportion equation
121,142,304,593.70 : 181,713,456,890.55 = 121,142,304,593.70 : x - Step 2: Convert to fraction form
121,142,304,593.70/181,713,456,890.55 = 121,142,304,593.70/x - Step 3: Cross multiply
121,142,304,593.70x = 181,713,456,890.55 × 121,142,304,593.70 - Step 4: Simplify right side
121,142,304,593.70x = 22,013,186,943,409,178,279,936 - Step 5: Solve for x
x = 22,013,186,943,409,178,279,936/121,142,304,593.70 - Step 6: Final answer
x = 181,713,456,890.55
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.