Finding the Fourth Proportional to 277,401,204.09, 382,819,844.34 and 158,321,405.79
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Solution
The fourth proportional to 277,401,204.09, 382,819,844.34 and 158,321,405.79 is: 218,487,068.65
Step by Step Solution
- Step 1: Write the proportion equation
277,401,204.09 : 382,819,844.34 = 158,321,405.79 : x - Step 2: Convert to fraction form
277,401,204.09/382,819,844.34 = 158,321,405.79/x - Step 3: Cross multiply
277,401,204.09x = 382,819,844.34 × 158,321,405.79 - Step 4: Simplify right side
277,401,204.09x = 60,608,575,920,217,768 - Step 5: Solve for x
x = 60,608,575,920,217,768/277,401,204.09 - Step 6: Final answer
x = 218,487,068.65
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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.