Finding the Fourth Proportional to 2,279,090,533.60, 3,145,475,250.44 and 1,313,286,536.60
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Solution
The fourth proportional to 2,279,090,533.60, 3,145,475,250.44 and 1,313,286,536.60 is: 1,812,525,758.28
Step by Step Solution
- Step 1: Write the proportion equation
2,279,090,533.60 : 3,145,475,250.44 = 1,313,286,536.60 : x - Step 2: Convert to fraction form
2,279,090,533.60/3,145,475,250.44 = 1,313,286,536.60/x - Step 3: Cross multiply
2,279,090,533.60x = 3,145,475,250.44 × 1,313,286,536.60 - Step 4: Simplify right side
2,279,090,533.60x = 4,130,910,297,611,364,864 - Step 5: Solve for x
x = 4,130,910,297,611,364,864/2,279,090,533.60 - Step 6: Final answer
x = 1,812,525,758.28
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.