Finding the Fourth Proportional to 434,365,877.70, 651,548,816.55 and 434,365,877.70
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Solution
The fourth proportional to 434,365,877.70, 651,548,816.55 and 434,365,877.70 is: 651,548,816.55
Step by Step Solution
- Step 1: Write the proportion equation
434,365,877.70 : 651,548,816.55 = 434,365,877.70 : x - Step 2: Convert to fraction form
434,365,877.70/651,548,816.55 = 434,365,877.70/x - Step 3: Cross multiply
434,365,877.70x = 651,548,816.55 × 434,365,877.70 - Step 4: Simplify right side
434,365,877.70x = 283,010,573,565,136,992 - Step 5: Solve for x
x = 283,010,573,565,136,992/434,365,877.70 - Step 6: Final answer
x = 651,548,816.55
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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.