Finding the Fourth Proportional to 508,297,211.70, 762,445,817.55 and 508,297,211.70
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Solution
The fourth proportional to 508,297,211.70, 762,445,817.55 and 508,297,211.70 is: 762,445,817.55
Step by Step Solution
- Step 1: Write the proportion equation
508,297,211.70 : 762,445,817.55 = 508,297,211.70 : x - Step 2: Convert to fraction form
508,297,211.70/762,445,817.55 = 508,297,211.70/x - Step 3: Cross multiply
508,297,211.70x = 762,445,817.55 × 508,297,211.70 - Step 4: Simplify right side
508,297,211.70x = 387,549,083,132,991,872 - Step 5: Solve for x
x = 387,549,083,132,991,872/508,297,211.70 - Step 6: Final answer
x = 762,445,817.55
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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.