Finding the Fourth Proportional to 4,079,766,986.20, 6,119,650,479.30 and 1,319,675,008.60
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Solution
The fourth proportional to 4,079,766,986.20, 6,119,650,479.30 and 1,319,675,008.60 is: 1,979,512,512.90
Step by Step Solution
- Step 1: Write the proportion equation
4,079,766,986.20 : 6,119,650,479.30 = 1,319,675,008.60 : x - Step 2: Convert to fraction form
4,079,766,986.20/6,119,650,479.30 = 1,319,675,008.60/x - Step 3: Cross multiply
4,079,766,986.20x = 6,119,650,479.30 × 1,319,675,008.60 - Step 4: Simplify right side
4,079,766,986.20x = 8,075,949,798,899,221,504 - Step 5: Solve for x
x = 8,075,949,798,899,221,504/4,079,766,986.20 - Step 6: Final answer
x = 1,979,512,512.90
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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.