Finding the Fourth Proportional to 412,701,378.21, 569,532,422.34 and 224,530,741.80
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Solution
The fourth proportional to 412,701,378.21, 569,532,422.34 and 224,530,741.80 is: 309,854,883.02
Step by Step Solution
- Step 1: Write the proportion equation
412,701,378.21 : 569,532,422.34 = 224,530,741.80 : x - Step 2: Convert to fraction form
412,701,378.21/569,532,422.34 = 224,530,741.80/x - Step 3: Cross multiply
412,701,378.21x = 569,532,422.34 × 224,530,741.80 - Step 4: Simplify right side
412,701,378.21x = 127,877,537,267,151,104 - Step 5: Solve for x
x = 127,877,537,267,151,104/412,701,378.21 - Step 6: Final answer
x = 309,854,883.02
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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.