Finding the Fourth Proportional to 340,296,335.21, 469,623,380.24 and 189,588,857.13
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Solution
The fourth proportional to 340,296,335.21, 469,623,380.24 and 189,588,857.13 is: 261,640,666.47
Step by Step Solution
- Step 1: Write the proportion equation
340,296,335.21 : 469,623,380.24 = 189,588,857.13 : x - Step 2: Convert to fraction form
340,296,335.21/469,623,380.24 = 189,588,857.13/x - Step 3: Cross multiply
340,296,335.21x = 469,623,380.24 × 189,588,857.13 - Step 4: Simplify right side
340,296,335.21x = 89,035,359,941,229,024 - Step 5: Solve for x
x = 89,035,359,941,229,024/340,296,335.21 - Step 6: Final answer
x = 261,640,666.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.