Finding the Fourth Proportional to 498,184,711.20, 747,277,066.80 and 239,337,514.80
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Solution
The fourth proportional to 498,184,711.20, 747,277,066.80 and 239,337,514.80 is: 359,006,272.20
Step by Step Solution
- Step 1: Write the proportion equation
498,184,711.20 : 747,277,066.80 = 239,337,514.80 : x - Step 2: Convert to fraction form
498,184,711.20/747,277,066.80 = 239,337,514.80/x - Step 3: Cross multiply
498,184,711.20x = 747,277,066.80 × 239,337,514.80 - Step 4: Simplify right side
498,184,711.20x = 178,851,436,034,945,600 - Step 5: Solve for x
x = 178,851,436,034,945,600/498,184,711.20 - Step 6: Final answer
x = 359,006,272.20
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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.