Finding the Fourth Proportional to 1,760,497,752.80, 2,640,746,629.20 and 842,167,704.80
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Solution
The fourth proportional to 1,760,497,752.80, 2,640,746,629.20 and 842,167,704.80 is: 1,263,251,557.20
Step by Step Solution
- Step 1: Write the proportion equation
1,760,497,752.80 : 2,640,746,629.20 = 842,167,704.80 : x - Step 2: Convert to fraction form
1,760,497,752.80/2,640,746,629.20 = 842,167,704.80/x - Step 3: Cross multiply
1,760,497,752.80x = 2,640,746,629.20 × 842,167,704.80 - Step 4: Simplify right side
1,760,497,752.80x = 2,223,951,527,671,700,480 - Step 5: Solve for x
x = 2,223,951,527,671,700,480/1,760,497,752.80 - Step 6: Final answer
x = 1,263,251,557.20
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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.