Finding the Fourth Proportional to 3,492,928,686.40, 5,239,393,029.60 and 2,314,405,124.80
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Solution
The fourth proportional to 3,492,928,686.40, 5,239,393,029.60 and 2,314,405,124.80 is: 3,471,607,687.20
Step by Step Solution
- Step 1: Write the proportion equation
3,492,928,686.40 : 5,239,393,029.60 = 2,314,405,124.80 : x - Step 2: Convert to fraction form
3,492,928,686.40/5,239,393,029.60 = 2,314,405,124.80/x - Step 3: Cross multiply
3,492,928,686.40x = 5,239,393,029.60 × 2,314,405,124.80 - Step 4: Simplify right side
3,492,928,686.40x = 12,126,078,078,547,640,320 - Step 5: Solve for x
x = 12,126,078,078,547,640,320/3,492,928,686.40 - Step 6: Final answer
x = 3,471,607,687.20
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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.