Finding the Fourth Proportional to 2,666,515,053.96, 3,681,066,778.74 and 1,775,923,864.20
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Solution
The fourth proportional to 2,666,515,053.96, 3,681,066,778.74 and 1,775,923,864.20 is: 2,451,624,763.33
Step by Step Solution
- Step 1: Write the proportion equation
2,666,515,053.96 : 3,681,066,778.74 = 1,775,923,864.20 : x - Step 2: Convert to fraction form
2,666,515,053.96/3,681,066,778.74 = 1,775,923,864.20/x - Step 3: Cross multiply
2,666,515,053.96x = 3,681,066,778.74 × 1,775,923,864.20 - Step 4: Simplify right side
2,666,515,053.96x = 6,537,294,338,078,186,496 - Step 5: Solve for x
x = 6,537,294,338,078,186,496/2,666,515,053.96 - Step 6: Final answer
x = 2,451,624,763.33
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1.5x scale
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.