Finding the Fourth Proportional to 4,438,931,751.40, 6,656,382,087.90 and 1,677,643,047.40
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Solution
The fourth proportional to 4,438,931,751.40, 6,656,382,087.90 and 1,677,643,047.40 is: 2,515,702,821.31
Step by Step Solution
- Step 1: Write the proportion equation
4,438,931,751.40 : 6,656,382,087.90 = 1,677,643,047.40 : x - Step 2: Convert to fraction form
4,438,931,751.40/6,656,382,087.90 = 1,677,643,047.40/x - Step 3: Cross multiply
4,438,931,751.40x = 6,656,382,087.90 × 1,677,643,047.40 - Step 4: Simplify right side
4,438,931,751.40x = 11,167,033,130,603,331,584 - Step 5: Solve for x
x = 11,167,033,130,603,331,584/4,438,931,751.40 - Step 6: Final answer
x = 2,515,702,821.31
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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.