Finding the Fourth Proportional to 2,637,494,161.30, 3,955,401,288.27 and 866,453,784.70
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Solution
The fourth proportional to 2,637,494,161.30, 3,955,401,288.27 and 866,453,784.70 is: 1,299,404,740.50
Step by Step Solution
- Step 1: Write the proportion equation
2,637,494,161.30 : 3,955,401,288.27 = 866,453,784.70 : x - Step 2: Convert to fraction form
2,637,494,161.30/3,955,401,288.27 = 866,453,784.70/x - Step 3: Cross multiply
2,637,494,161.30x = 3,955,401,288.27 × 866,453,784.70 - Step 4: Simplify right side
2,637,494,161.30x = 3,427,172,416,228,797,440 - Step 5: Solve for x
x = 3,427,172,416,228,797,440/2,637,494,161.30 - Step 6: Final answer
x = 1,299,404,740.50
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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.