Finding the Fourth Proportional to 245,615,306,723.70, 368,422,960,085.55 and 68,951,563,739.70
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Solution
The fourth proportional to 245,615,306,723.70, 368,422,960,085.55 and 68,951,563,739.70 is: 103,427,345,609.55
Step by Step Solution
- Step 1: Write the proportion equation
245,615,306,723.70 : 368,422,960,085.55 = 68,951,563,739.70 : x - Step 2: Convert to fraction form
245,615,306,723.70/368,422,960,085.55 = 68,951,563,739.70/x - Step 3: Cross multiply
245,615,306,723.70x = 368,422,960,085.55 × 68,951,563,739.70 - Step 4: Simplify right side
245,615,306,723.70x = 25,403,339,215,507,749,339,136 - Step 5: Solve for x
x = 25,403,339,215,507,749,339,136/245,615,306,723.70 - Step 6: Final answer
x = 103,427,345,609.55
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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.