Finding the Fourth Proportional to 254,481,393,690.80, 381,722,090,536.20 and 112,840,462,912.40
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Solution
The fourth proportional to 254,481,393,690.80, 381,722,090,536.20 and 112,840,462,912.40 is: 169,260,694,368.60
Step by Step Solution
- Step 1: Write the proportion equation
254,481,393,690.80 : 381,722,090,536.20 = 112,840,462,912.40 : x - Step 2: Convert to fraction form
254,481,393,690.80/381,722,090,536.20 = 112,840,462,912.40/x - Step 3: Cross multiply
254,481,393,690.80x = 381,722,090,536.20 × 112,840,462,912.40 - Step 4: Simplify right side
254,481,393,690.80x = 43,073,697,399,993,872,154,624 - Step 5: Solve for x
x = 43,073,697,399,993,872,154,624/254,481,393,690.80 - Step 6: Final answer
x = 169,260,694,368.60
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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.