Finding the Fourth Proportional to 293,417,274.20, 440,125,911.30 and 207,323,832.20
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Solution
The fourth proportional to 293,417,274.20, 440,125,911.30 and 207,323,832.20 is: 310,985,748.30
Step by Step Solution
- Step 1: Write the proportion equation
293,417,274.20 : 440,125,911.30 = 207,323,832.20 : x - Step 2: Convert to fraction form
293,417,274.20/440,125,911.30 = 207,323,832.20/x - Step 3: Cross multiply
293,417,274.20x = 440,125,911.30 × 207,323,832.20 - Step 4: Simplify right side
293,417,274.20x = 91,248,590,581,233,280 - Step 5: Solve for x
x = 91,248,590,581,233,280/293,417,274.20 - Step 6: Final answer
x = 310,985,748.30
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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.