Finding the Fourth Proportional to 225,712,652,095.12, 311,483,510,734.05 and 124,214,537,422.26
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Solution
The fourth proportional to 225,712,652,095.12, 311,483,510,734.05 and 124,214,537,422.26 is: 171,416,089,622.60
Step by Step Solution
- Step 1: Write the proportion equation
225,712,652,095.12 : 311,483,510,734.05 = 124,214,537,422.26 : x - Step 2: Convert to fraction form
225,712,652,095.12/311,483,510,734.05 = 124,214,537,422.26/x - Step 3: Cross multiply
225,712,652,095.12x = 311,483,510,734.05 × 124,214,537,422.26 - Step 4: Simplify right side
225,712,652,095.12x = 38,690,780,200,491,571,740,672 - Step 5: Solve for x
x = 38,690,780,200,491,571,740,672/225,712,652,095.12 - Step 6: Final answer
x = 171,416,089,622.60
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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.