Finding the Fourth Proportional to 703,605,056.18, 1,055,415,709.58 and 212,322,581.24
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Solution
The fourth proportional to 703,605,056.18, 1,055,415,709.58 and 212,322,581.24 is: 318,486,323.78
Step by Step Solution
- Step 1: Write the proportion equation
703,605,056.18 : 1,055,415,709.58 = 212,322,581.24 : x - Step 2: Convert to fraction form
703,605,056.18/1,055,415,709.58 = 212,322,581.24/x - Step 3: Cross multiply
703,605,056.18x = 1,055,415,709.58 × 212,322,581.24 - Step 4: Simplify right side
703,605,056.18x = 224,088,587,732,933,120 - Step 5: Solve for x
x = 224,088,587,732,933,120/703,605,056.18 - Step 6: Final answer
x = 318,486,323.78
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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.