Finding the Fourth Proportional to 318,997,236.34, 440,298,092.69 and 207,765,257.23
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Solution
The fourth proportional to 318,997,236.34, 440,298,092.69 and 207,765,257.23 is: 286,769,401.31
Step by Step Solution
- Step 1: Write the proportion equation
318,997,236.34 : 440,298,092.69 = 207,765,257.23 : x - Step 2: Convert to fraction form
318,997,236.34/440,298,092.69 = 207,765,257.23/x - Step 3: Cross multiply
318,997,236.34x = 440,298,092.69 × 207,765,257.23 - Step 4: Simplify right side
318,997,236.34x = 91,478,646,485,616,224 - Step 5: Solve for x
x = 91,478,646,485,616,224/318,997,236.34 - Step 6: Final answer
x = 286,769,401.31
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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.