Finding the Fourth Proportional to 1,149,255,411.84, 1,723,883,140.54 and 275,856,780.08
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Solution
The fourth proportional to 1,149,255,411.84, 1,723,883,140.54 and 275,856,780.08 is: 413,785,175.59
Step by Step Solution
- Step 1: Write the proportion equation
1,149,255,411.84 : 1,723,883,140.54 = 275,856,780.08 : x - Step 2: Convert to fraction form
1,149,255,411.84/1,723,883,140.54 = 275,856,780.08/x - Step 3: Cross multiply
1,149,255,411.84x = 1,723,883,140.54 × 275,856,780.08 - Step 4: Simplify right side
1,149,255,411.84x = 475,544,852,383,562,496 - Step 5: Solve for x
x = 475,544,852,383,562,496/1,149,255,411.84 - Step 6: Final answer
x = 413,785,175.59
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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.