Finding the Fourth Proportional to 319,719,303.71, 441,223,337.73 and 195,936,075.71
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Solution
The fourth proportional to 319,719,303.71, 441,223,337.73 and 195,936,075.71 is: 270,398,340.99
Step by Step Solution
- Step 1: Write the proportion equation
319,719,303.71 : 441,223,337.73 = 195,936,075.71 : x - Step 2: Convert to fraction form
319,719,303.71/441,223,337.73 = 195,936,075.71/x - Step 3: Cross multiply
319,719,303.71x = 441,223,337.73 × 195,936,075.71 - Step 4: Simplify right side
319,719,303.71x = 86,451,569,304,278,080 - Step 5: Solve for x
x = 86,451,569,304,278,080/319,719,303.71 - Step 6: Final answer
x = 270,398,340.99
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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.