Finding the Fourth Proportional to 4,292,002,772.43, 6,438,004,657.20 and 1,344,512,076.81
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Solution
The fourth proportional to 4,292,002,772.43, 6,438,004,657.20 and 1,344,512,076.81 is: 2,016,768,271.39
Step by Step Solution
- Step 1: Write the proportion equation
4,292,002,772.43 : 6,438,004,657.20 = 1,344,512,076.81 : x - Step 2: Convert to fraction form
4,292,002,772.43/6,438,004,657.20 = 1,344,512,076.81/x - Step 3: Cross multiply
4,292,002,772.43x = 6,438,004,657.20 × 1,344,512,076.81 - Step 4: Simplify right side
4,292,002,772.43x = 8,655,975,012,164,423,680 - Step 5: Solve for x
x = 8,655,975,012,164,423,680/4,292,002,772.43 - Step 6: Final answer
x = 2,016,768,271.39
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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.