Finding the Fourth Proportional to 370,461,859.71, 555,743,889.99 and 215,088,840.15
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Solution
The fourth proportional to 370,461,859.71, 555,743,889.99 and 215,088,840.15 is: 322,662,928.95
Step by Step Solution
- Step 1: Write the proportion equation
370,461,859.71 : 555,743,889.99 = 215,088,840.15 : x - Step 2: Convert to fraction form
370,461,859.71/555,743,889.99 = 215,088,840.15/x - Step 3: Cross multiply
370,461,859.71x = 555,743,889.99 × 215,088,840.15 - Step 4: Simplify right side
370,461,859.71x = 119,534,308,718,398,304 - Step 5: Solve for x
x = 119,534,308,718,398,304/370,461,859.71 - Step 6: Final answer
x = 322,662,928.95
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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.