Finding the Fourth Proportional to 1,335,801,888.48, 1,843,198,719.30 and 763,576,771.80
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Solution
The fourth proportional to 1,335,801,888.48, 1,843,198,719.30 and 763,576,771.80 is: 1,053,617,111.94
Step by Step Solution
- Step 1: Write the proportion equation
1,335,801,888.48 : 1,843,198,719.30 = 763,576,771.80 : x - Step 2: Convert to fraction form
1,335,801,888.48/1,843,198,719.30 = 763,576,771.80/x - Step 3: Cross multiply
1,335,801,888.48x = 1,843,198,719.30 × 763,576,771.80 - Step 4: Simplify right side
1,335,801,888.48x = 1,407,423,727,868,988,160 - Step 5: Solve for x
x = 1,407,423,727,868,988,160/1,335,801,888.48 - Step 6: Final answer
x = 1,053,617,111.94
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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.