Finding the Fourth Proportional to 3,368,671,201.55, 4,648,454,283.20 and 1,863,265,153.56
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Solution
The fourth proportional to 3,368,671,201.55, 4,648,454,283.20 and 1,863,265,153.56 is: 2,571,133,353.66
Step by Step Solution
- Step 1: Write the proportion equation
3,368,671,201.55 : 4,648,454,283.20 = 1,863,265,153.56 : x - Step 2: Convert to fraction form
3,368,671,201.55/4,648,454,283.20 = 1,863,265,153.56/x - Step 3: Cross multiply
3,368,671,201.55x = 4,648,454,283.20 × 1,863,265,153.56 - Step 4: Simplify right side
3,368,671,201.55x = 8,661,302,883,793,970,176 - Step 5: Solve for x
x = 8,661,302,883,793,970,176/3,368,671,201.55 - Step 6: Final answer
x = 2,571,133,353.66
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1.5x scale
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.