Finding the Fourth Proportional to 2,356,128,840.20, 3,534,193,260.30 and 803,281,857.80
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Solution
The fourth proportional to 2,356,128,840.20, 3,534,193,260.30 and 803,281,857.80 is: 1,204,922,786.70
Step by Step Solution
- Step 1: Write the proportion equation
2,356,128,840.20 : 3,534,193,260.30 = 803,281,857.80 : x - Step 2: Convert to fraction form
2,356,128,840.20/3,534,193,260.30 = 803,281,857.80/x - Step 3: Cross multiply
2,356,128,840.20x = 3,534,193,260.30 × 803,281,857.80 - Step 4: Simplify right side
2,356,128,840.20x = 2,838,953,327,958,023,168 - Step 5: Solve for x
x = 2,838,953,327,958,023,168/2,356,128,840.20 - Step 6: Final answer
x = 1,204,922,786.70
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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.