Finding the Fourth Proportional to 358,257,102,708.12, 537,461,126,688.60 and 116,215,313,652.60
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Solution
The fourth proportional to 358,257,102,708.12, 537,461,126,688.60 and 116,215,313,652.60 is: 174,347,453,105.72
Step by Step Solution
- Step 1: Write the proportion equation
358,257,102,708.12 : 537,461,126,688.60 = 116,215,313,652.60 : x - Step 2: Convert to fraction form
358,257,102,708.12/537,461,126,688.60 = 116,215,313,652.60/x - Step 3: Cross multiply
358,257,102,708.12x = 537,461,126,688.60 × 116,215,313,652.60 - Step 4: Simplify right side
358,257,102,708.12x = 62,461,213,414,195,430,686,720 - Step 5: Solve for x
x = 62,461,213,414,195,430,686,720/358,257,102,708.12 - Step 6: Final answer
x = 174,347,453,105.72
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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.