Finding the Fourth Proportional to 1,213,719,176.98, 1,674,932,466.09 and 656,802,223.84
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Solution
The fourth proportional to 1,213,719,176.98, 1,674,932,466.09 and 656,802,223.84 is: 906,387,069.90
Step by Step Solution
- Step 1: Write the proportion equation
1,213,719,176.98 : 1,674,932,466.09 = 656,802,223.84 : x - Step 2: Convert to fraction form
1,213,719,176.98/1,674,932,466.09 = 656,802,223.84/x - Step 3: Cross multiply
1,213,719,176.98x = 1,674,932,466.09 × 656,802,223.84 - Step 4: Simplify right side
1,213,719,176.98x = 1,100,099,368,509,727,360 - Step 5: Solve for x
x = 1,100,099,368,509,727,360/1,213,719,176.98 - Step 6: Final answer
x = 906,387,069.90
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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.