Finding the Fourth Proportional to 2,308,678,280.52, 3,185,890,673.86 and 1,251,383,552.84
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Solution
The fourth proportional to 2,308,678,280.52, 3,185,890,673.86 and 1,251,383,552.84 is: 1,726,863,038.50
Step by Step Solution
- Step 1: Write the proportion equation
2,308,678,280.52 : 3,185,890,673.86 = 1,251,383,552.84 : x - Step 2: Convert to fraction form
2,308,678,280.52/3,185,890,673.86 = 1,251,383,552.84/x - Step 3: Cross multiply
2,308,678,280.52x = 3,185,890,673.86 × 1,251,383,552.84 - Step 4: Simplify right side
2,308,678,280.52x = 3,986,771,190,414,748,160 - Step 5: Solve for x
x = 3,986,771,190,414,748,160/2,308,678,280.52 - Step 6: Final answer
x = 1,726,863,038.50
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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.