Finding the Fourth Proportional to 1,198,884,939.12, 1,654,497,564.12 and 670,271,197.68
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Solution
The fourth proportional to 1,198,884,939.12, 1,654,497,564.12 and 670,271,197.68 is: 924,994,574.27
Step by Step Solution
- Step 1: Write the proportion equation
1,198,884,939.12 : 1,654,497,564.12 = 670,271,197.68 : x - Step 2: Convert to fraction form
1,198,884,939.12/1,654,497,564.12 = 670,271,197.68/x - Step 3: Cross multiply
1,198,884,939.12x = 1,654,497,564.12 × 670,271,197.68 - Step 4: Simplify right side
1,198,884,939.12x = 1,108,962,063,861,354,880 - Step 5: Solve for x
x = 1,108,962,063,861,354,880/1,198,884,939.12 - Step 6: Final answer
x = 924,994,574.27
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.