Finding the Fourth Proportional to 3,603,382,558.71, 4,972,872,837.87 and 2,017,460,642.19
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Solution
The fourth proportional to 3,603,382,558.71, 4,972,872,837.87 and 2,017,460,642.19 is: 2,784,210,409.40
Step by Step Solution
- Step 1: Write the proportion equation
3,603,382,558.71 : 4,972,872,837.87 = 2,017,460,642.19 : x - Step 2: Convert to fraction form
3,603,382,558.71/4,972,872,837.87 = 2,017,460,642.19/x - Step 3: Cross multiply
3,603,382,558.71x = 4,972,872,837.87 × 2,017,460,642.19 - Step 4: Simplify right side
3,603,382,558.71x = 10,032,575,229,018,417,152 - Step 5: Solve for x
x = 10,032,575,229,018,417,152/3,603,382,558.71 - Step 6: Final answer
x = 2,784,210,409.40
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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.