Finding the Fourth Proportional to 478,992,029.80, 718,488,044.70 and 325,937,021.80
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Solution
The fourth proportional to 478,992,029.80, 718,488,044.70 and 325,937,021.80 is: 488,905,532.70
Step by Step Solution
- Step 1: Write the proportion equation
478,992,029.80 : 718,488,044.70 = 325,937,021.80 : x - Step 2: Convert to fraction form
478,992,029.80/718,488,044.70 = 325,937,021.80/x - Step 3: Cross multiply
478,992,029.80x = 718,488,044.70 × 325,937,021.80 - Step 4: Simplify right side
478,992,029.80x = 234,181,853,488,423,296 - Step 5: Solve for x
x = 234,181,853,488,423,296/478,992,029.80 - Step 6: Final answer
x = 488,905,532.70
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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.