Finding the Fourth Proportional to 1,956,573,972.70, 2,934,860,959.05 and 1,336,701,190.30
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Solution
The fourth proportional to 1,956,573,972.70, 2,934,860,959.05 and 1,336,701,190.30 is: 2,005,051,785.45
Step by Step Solution
- Step 1: Write the proportion equation
1,956,573,972.70 : 2,934,860,959.05 = 1,336,701,190.30 : x - Step 2: Convert to fraction form
1,956,573,972.70/2,934,860,959.05 = 1,336,701,190.30/x - Step 3: Cross multiply
1,956,573,972.70x = 2,934,860,959.05 × 1,336,701,190.30 - Step 4: Simplify right side
1,956,573,972.70x = 3,923,032,137,327,134,720 - Step 5: Solve for x
x = 3,923,032,137,327,134,720/1,956,573,972.70 - Step 6: Final answer
x = 2,005,051,785.45
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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.