Finding the Fourth Proportional to 299,592,237,926.21, 449,340,520,097.01 and 87,306,714,513.99
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Solution
The fourth proportional to 299,592,237,926.21, 449,340,520,097.01 and 87,306,714,513.99 is: 130,946,131,245.70
Step by Step Solution
- Step 1: Write the proportion equation
299,592,237,926.21 : 449,340,520,097.01 = 87,306,714,513.99 : x - Step 2: Convert to fraction form
299,592,237,926.21/449,340,520,097.01 = 87,306,714,513.99/x - Step 3: Cross multiply
299,592,237,926.21x = 449,340,520,097.01 × 87,306,714,513.99 - Step 4: Simplify right side
299,592,237,926.21x = 39,230,444,507,677,440,606,208 - Step 5: Solve for x
x = 39,230,444,507,677,440,606,208/299,592,237,926.21 - Step 6: Final answer
x = 130,946,131,245.70
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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.