Finding the Fourth Proportional to 453,480,827.20, 680,221,240.80 and 194,652,001.60
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Solution
The fourth proportional to 453,480,827.20, 680,221,240.80 and 194,652,001.60 is: 291,978,002.40
Step by Step Solution
- Step 1: Write the proportion equation
453,480,827.20 : 680,221,240.80 = 194,652,001.60 : x - Step 2: Convert to fraction form
453,480,827.20/680,221,240.80 = 194,652,001.60/x - Step 3: Cross multiply
453,480,827.20x = 680,221,240.80 × 194,652,001.60 - Step 4: Simplify right side
453,480,827.20x = 132,406,426,052,555,568 - Step 5: Solve for x
x = 132,406,426,052,555,568/453,480,827.20 - Step 6: Final answer
x = 291,978,002.40
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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.