Finding the Fourth Proportional to 1,412,911,627.48, 2,119,425,877.17 and 416,932,666.62
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Solution
The fourth proportional to 1,412,911,627.48, 2,119,425,877.17 and 416,932,666.62 is: 625,416,243.66
Step by Step Solution
- Step 1: Write the proportion equation
1,412,911,627.48 : 2,119,425,877.17 = 416,932,666.62 : x - Step 2: Convert to fraction form
1,412,911,627.48/2,119,425,877.17 = 416,932,666.62/x - Step 3: Cross multiply
1,412,911,627.48x = 2,119,425,877.17 × 416,932,666.62 - Step 4: Simplify right side
1,412,911,627.48x = 883,657,882,675,905,280 - Step 5: Solve for x
x = 883,657,882,675,905,280/1,412,911,627.48 - Step 6: Final answer
x = 625,416,243.66
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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.