Finding the Fourth Proportional to 1,211,292,423.66, 1,816,953,196.05 and 337,840,626.54
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Solution
The fourth proportional to 1,211,292,423.66, 1,816,953,196.05 and 337,840,626.54 is: 506,765,000.88
Step by Step Solution
- Step 1: Write the proportion equation
1,211,292,423.66 : 1,816,953,196.05 = 337,840,626.54 : x - Step 2: Convert to fraction form
1,211,292,423.66/1,816,953,196.05 = 337,840,626.54/x - Step 3: Cross multiply
1,211,292,423.66x = 1,816,953,196.05 × 337,840,626.54 - Step 4: Simplify right side
1,211,292,423.66x = 613,840,606,147,387,520 - Step 5: Solve for x
x = 613,840,606,147,387,520/1,211,292,423.66 - Step 6: Final answer
x = 506,765,000.88
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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.