Finding the Fourth Proportional to 336,105,763.80, 504,158,645.70 and 278,710,135.80
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Solution
The fourth proportional to 336,105,763.80, 504,158,645.70 and 278,710,135.80 is: 418,065,203.70
Step by Step Solution
- Step 1: Write the proportion equation
336,105,763.80 : 504,158,645.70 = 278,710,135.80 : x - Step 2: Convert to fraction form
336,105,763.80/504,158,645.70 = 278,710,135.80/x - Step 3: Cross multiply
336,105,763.80x = 504,158,645.70 × 278,710,135.80 - Step 4: Simplify right side
336,105,763.80x = 140,514,124,607,791,088 - Step 5: Solve for x
x = 140,514,124,607,791,088/336,105,763.80 - Step 6: Final answer
x = 418,065,203.70
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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.