Finding the Fourth Proportional to 245,615,306,724.70, 368,422,960,087.05 and 68,951,563,740.70
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Solution
The fourth proportional to 245,615,306,724.70, 368,422,960,087.05 and 68,951,563,740.70 is: 103,427,345,611.05
Step by Step Solution
- Step 1: Write the proportion equation
245,615,306,724.70 : 368,422,960,087.05 = 68,951,563,740.70 : x - Step 2: Convert to fraction form
245,615,306,724.70/368,422,960,087.05 = 68,951,563,740.70/x - Step 3: Cross multiply
245,615,306,724.70x = 368,422,960,087.05 × 68,951,563,740.70 - Step 4: Simplify right side
245,615,306,724.70x = 25,403,339,215,979,600,150,528 - Step 5: Solve for x
x = 25,403,339,215,979,600,150,528/245,615,306,724.70 - Step 6: Final answer
x = 103,427,345,611.05
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1.5x scale
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.