Finding the Fourth Proportional to 959,732,717.70, 1,439,599,076.55 and 884,149,997.70
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Solution
The fourth proportional to 959,732,717.70, 1,439,599,076.55 and 884,149,997.70 is: 1,326,224,996.55
Step by Step Solution
- Step 1: Write the proportion equation
959,732,717.70 : 1,439,599,076.55 = 884,149,997.70 : x - Step 2: Convert to fraction form
959,732,717.70/1,439,599,076.55 = 884,149,997.70/x - Step 3: Cross multiply
959,732,717.70x = 1,439,599,076.55 × 884,149,997.70 - Step 4: Simplify right side
959,732,717.70x = 1,272,821,520,220,604,672 - Step 5: Solve for x
x = 1,272,821,520,220,604,672/959,732,717.70 - Step 6: Final answer
x = 1,326,224,996.55
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Double scale
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Similar ratio
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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.