Finding the Fourth Proportional to 3,186,999,309.70, 4,780,498,964.55 and 1,116,452,029.60
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Solution
The fourth proportional to 3,186,999,309.70, 4,780,498,964.55 and 1,116,452,029.60 is: 1,674,678,044.40
Step by Step Solution
- Step 1: Write the proportion equation
3,186,999,309.70 : 4,780,498,964.55 = 1,116,452,029.60 : x - Step 2: Convert to fraction form
3,186,999,309.70/4,780,498,964.55 = 1,116,452,029.60/x - Step 3: Cross multiply
3,186,999,309.70x = 4,780,498,964.55 × 1,116,452,029.60 - Step 4: Simplify right side
3,186,999,309.70x = 5,337,197,771,472,545,792 - Step 5: Solve for x
x = 5,337,197,771,472,545,792/3,186,999,309.70 - Step 6: Final answer
x = 1,674,678,044.40
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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.