Finding the Fourth Proportional to 626,883,796.28, 865,048,217.16 and 369,054,493.92
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Solution
The fourth proportional to 626,883,796.28, 865,048,217.16 and 369,054,493.92 is: 509,264,928.99
Step by Step Solution
- Step 1: Write the proportion equation
626,883,796.28 : 865,048,217.16 = 369,054,493.92 : x - Step 2: Convert to fraction form
626,883,796.28/865,048,217.16 = 369,054,493.92/x - Step 3: Cross multiply
626,883,796.28x = 865,048,217.16 × 369,054,493.92 - Step 4: Simplify right side
626,883,796.28x = 319,249,932,000,382,080 - Step 5: Solve for x
x = 319,249,932,000,382,080/626,883,796.28 - Step 6: Final answer
x = 509,264,928.99
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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.