Finding the Fourth Proportional to 629,367,615.10, 943,043,653.05 and 413,704,920.70
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Solution
The fourth proportional to 629,367,615.10, 943,043,653.05 and 413,704,920.70 is: 619,894,939.53
Step by Step Solution
- Step 1: Write the proportion equation
629,367,615.10 : 943,043,653.05 = 413,704,920.70 : x - Step 2: Convert to fraction form
629,367,615.10/943,043,653.05 = 413,704,920.70/x - Step 3: Cross multiply
629,367,615.10x = 943,043,653.05 × 413,704,920.70 - Step 4: Simplify right side
629,367,615.10x = 390,141,799,701,688,512 - Step 5: Solve for x
x = 390,141,799,701,688,512/629,367,615.10 - Step 6: Final answer
x = 619,894,939.53
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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.