Finding the Fourth Proportional to 647,036,195.70, 970,554,293.55 and 284,239,139.70
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Solution
The fourth proportional to 647,036,195.70, 970,554,293.55 and 284,239,139.70 is: 426,358,709.55
Step by Step Solution
- Step 1: Write the proportion equation
647,036,195.70 : 970,554,293.55 = 284,239,139.70 : x - Step 2: Convert to fraction form
647,036,195.70/970,554,293.55 = 284,239,139.70/x - Step 3: Cross multiply
647,036,195.70x = 970,554,293.55 × 284,239,139.70 - Step 4: Simplify right side
647,036,195.70x = 275,869,517,430,793,248 - Step 5: Solve for x
x = 275,869,517,430,793,248/647,036,195.70 - Step 6: Final answer
x = 426,358,709.55
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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.