Finding the Fourth Proportional to 453,448,507.28, 625,738,811.44 and 252,515,747.12
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Solution
The fourth proportional to 453,448,507.28, 625,738,811.44 and 252,515,747.12 is: 348,460,521.84
Step by Step Solution
- Step 1: Write the proportion equation
453,448,507.28 : 625,738,811.44 = 252,515,747.12 : x - Step 2: Convert to fraction form
453,448,507.28/625,738,811.44 = 252,515,747.12/x - Step 3: Cross multiply
453,448,507.28x = 625,738,811.44 × 252,515,747.12 - Step 4: Simplify right side
453,448,507.28x = 158,008,903,472,752,416 - Step 5: Solve for x
x = 158,008,903,472,752,416/453,448,507.28 - Step 6: Final answer
x = 348,460,521.84
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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.