Finding the Fourth Proportional to 945,562,305.60, 1,418,896,157.02 and 682,987,936.32
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Solution
The fourth proportional to 945,562,305.60, 1,418,896,157.02 and 682,987,936.32 is: 1,024,881,123.53
Step by Step Solution
- Step 1: Write the proportion equation
945,562,305.60 : 1,418,896,157.02 = 682,987,936.32 : x - Step 2: Convert to fraction form
945,562,305.60/1,418,896,157.02 = 682,987,936.32/x - Step 3: Cross multiply
945,562,305.60x = 1,418,896,157.02 × 682,987,936.32 - Step 4: Simplify right side
945,562,305.60x = 969,088,958,135,468,544 - Step 5: Solve for x
x = 969,088,958,135,468,544/945,562,305.60 - Step 6: Final answer
x = 1,024,881,123.53
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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.