Finding the Fourth Proportional to 293,418,225.20, 440,127,337.80 and 207,324,783.20
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Solution
The fourth proportional to 293,418,225.20, 440,127,337.80 and 207,324,783.20 is: 310,987,174.80
Step by Step Solution
- Step 1: Write the proportion equation
293,418,225.20 : 440,127,337.80 = 207,324,783.20 : x - Step 2: Convert to fraction form
293,418,225.20/440,127,337.80 = 207,324,783.20/x - Step 3: Cross multiply
293,418,225.20x = 440,127,337.80 × 207,324,783.20 - Step 4: Simplify right side
293,418,225.20x = 91,249,304,889,778,160 - Step 5: Solve for x
x = 91,249,304,889,778,160/293,418,225.20 - Step 6: Final answer
x = 310,987,174.80
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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.