Finding the Fourth Proportional to 340,296,336.21, 469,623,381.62 and 189,588,858.13
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Solution
The fourth proportional to 340,296,336.21, 469,623,381.62 and 189,588,858.13 is: 261,640,667.85
Step by Step Solution
- Step 1: Write the proportion equation
340,296,336.21 : 469,623,381.62 = 189,588,858.13 : x - Step 2: Convert to fraction form
340,296,336.21/469,623,381.62 = 189,588,858.13/x - Step 3: Cross multiply
340,296,336.21x = 469,623,381.62 × 189,588,858.13 - Step 4: Simplify right side
340,296,336.21x = 89,035,360,672,485,024 - Step 5: Solve for x
x = 89,035,360,672,485,024/340,296,336.21 - Step 6: Final answer
x = 261,640,667.85
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.