Finding the Fourth Proportional to 1,436,128,245.20, 1,981,771,565.28 and 833,252,164.04
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Solution
The fourth proportional to 1,436,128,245.20, 1,981,771,565.28 and 833,252,164.04 is: 1,149,838,429.07
Step by Step Solution
- Step 1: Write the proportion equation
1,436,128,245.20 : 1,981,771,565.28 = 833,252,164.04 : x - Step 2: Convert to fraction form
1,436,128,245.20/1,981,771,565.28 = 833,252,164.04/x - Step 3: Cross multiply
1,436,128,245.20x = 1,981,771,565.28 × 833,252,164.04 - Step 4: Simplify right side
1,436,128,245.20x = 1,651,315,445,402,498,048 - Step 5: Solve for x
x = 1,651,315,445,402,498,048/1,436,128,245.20 - Step 6: Final answer
x = 1,149,838,429.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.