Finding the Fourth Proportional to 45,349,632,252.20, 68,024,448,378.30 and 40,941,648,021.80
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Solution
The fourth proportional to 45,349,632,252.20, 68,024,448,378.30 and 40,941,648,021.80 is: 61,412,472,032.70
Step by Step Solution
- Step 1: Write the proportion equation
45,349,632,252.20 : 68,024,448,378.30 = 40,941,648,021.80 : x - Step 2: Convert to fraction form
45,349,632,252.20/68,024,448,378.30 = 40,941,648,021.80/x - Step 3: Cross multiply
45,349,632,252.20x = 68,024,448,378.30 × 40,941,648,021.80 - Step 4: Simplify right side
45,349,632,252.20x = 2,785,033,022,381,462,913,024 - Step 5: Solve for x
x = 2,785,033,022,381,462,913,024/45,349,632,252.20 - Step 6: Final answer
x = 61,412,472,032.70
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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.