Finding the Fourth Proportional to 370,461,858.96, 555,743,888.86 and 215,088,839.40
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Solution
The fourth proportional to 370,461,858.96, 555,743,888.86 and 215,088,839.40 is: 322,662,927.82
Step by Step Solution
- Step 1: Write the proportion equation
370,461,858.96 : 555,743,888.86 = 215,088,839.40 : x - Step 2: Convert to fraction form
370,461,858.96/555,743,888.86 = 215,088,839.40/x - Step 3: Cross multiply
370,461,858.96x = 555,743,888.86 × 215,088,839.40 - Step 4: Simplify right side
370,461,858.96x = 119,534,308,058,540,000 - Step 5: Solve for x
x = 119,534,308,058,540,000/370,461,858.96 - Step 6: Final answer
x = 322,662,927.82
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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.