Finding the Fourth Proportional to 57,760,129,325.30, 86,640,193,987.95 and 49,770,657,907.70
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Solution
The fourth proportional to 57,760,129,325.30, 86,640,193,987.95 and 49,770,657,907.70 is: 74,655,986,861.55
Step by Step Solution
- Step 1: Write the proportion equation
57,760,129,325.30 : 86,640,193,987.95 = 49,770,657,907.70 : x - Step 2: Convert to fraction form
57,760,129,325.30/86,640,193,987.95 = 49,770,657,907.70/x - Step 3: Cross multiply
57,760,129,325.30x = 86,640,193,987.95 × 49,770,657,907.70 - Step 4: Simplify right side
57,760,129,325.30x = 4,312,139,456,031,025,004,544 - Step 5: Solve for x
x = 4,312,139,456,031,025,004,544/57,760,129,325.30 - Step 6: Final answer
x = 74,655,986,861.55
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1.5x scale
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.