Finding the Fourth Proportional to 4,875,583,686.86, 6,728,720,450.38 and 2,761,415,729.48
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Solution
The fourth proportional to 4,875,583,686.86, 6,728,720,450.38 and 2,761,415,729.48 is: 3,810,988,731.67
Step by Step Solution
- Step 1: Write the proportion equation
4,875,583,686.86 : 6,728,720,450.38 = 2,761,415,729.48 : x - Step 2: Convert to fraction form
4,875,583,686.86/6,728,720,450.38 = 2,761,415,729.48/x - Step 3: Cross multiply
4,875,583,686.86x = 6,728,720,450.38 × 2,761,415,729.48 - Step 4: Simplify right side
4,875,583,686.86x = 18,580,794,490,963,001,344 - Step 5: Solve for x
x = 18,580,794,490,963,001,344/4,875,583,686.86 - Step 6: Final answer
x = 3,810,988,731.67
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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.