Finding the Fourth Proportional to 2,448,451,728.80, 3,679,843,954.80 and 2,133,131,818.40
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Solution
The fourth proportional to 2,448,451,728.80, 3,679,843,954.80 and 2,133,131,818.40 is: 3,205,941,180.87
Step by Step Solution
- Step 1: Write the proportion equation
2,448,451,728.80 : 3,679,843,954.80 = 2,133,131,818.40 : x - Step 2: Convert to fraction form
2,448,451,728.80/3,679,843,954.80 = 2,133,131,818.40/x - Step 3: Cross multiply
2,448,451,728.80x = 3,679,843,954.80 × 2,133,131,818.40 - Step 4: Simplify right side
2,448,451,728.80x = 7,849,592,226,730,772,480 - Step 5: Solve for x
x = 7,849,592,226,730,772,480/2,448,451,728.80 - Step 6: Final answer
x = 3,205,941,180.87
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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.