Finding the Fourth Proportional to 453,722,653.80, 680,583,980.70 and 223,801,885.80
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Solution
The fourth proportional to 453,722,653.80, 680,583,980.70 and 223,801,885.80 is: 335,702,828.70
Step by Step Solution
- Step 1: Write the proportion equation
453,722,653.80 : 680,583,980.70 = 223,801,885.80 : x - Step 2: Convert to fraction form
453,722,653.80/680,583,980.70 = 223,801,885.80/x - Step 3: Cross multiply
453,722,653.80x = 680,583,980.70 × 223,801,885.80 - Step 4: Simplify right side
453,722,653.80x = 152,315,978,325,930,816 - Step 5: Solve for x
x = 152,315,978,325,930,816/453,722,653.80 - Step 6: Final answer
x = 335,702,828.70
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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.