Finding the Fourth Proportional to 2,923,509,721.20, 4,385,264,581.80 and 1,449,876,972.30
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Solution
The fourth proportional to 2,923,509,721.20, 4,385,264,581.80 and 1,449,876,972.30 is: 2,174,815,458.45
Step by Step Solution
- Step 1: Write the proportion equation
2,923,509,721.20 : 4,385,264,581.80 = 1,449,876,972.30 : x - Step 2: Convert to fraction form
2,923,509,721.20/4,385,264,581.80 = 1,449,876,972.30/x - Step 3: Cross multiply
2,923,509,721.20x = 4,385,264,581.80 × 1,449,876,972.30 - Step 4: Simplify right side
2,923,509,721.20x = 6,358,094,134,594,610,176 - Step 5: Solve for x
x = 6,358,094,134,594,610,176/2,923,509,721.20 - Step 6: Final answer
x = 2,174,815,458.45
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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.