Finding the Fourth Proportional to 225,422,694,465.46, 311,081,108,316.90 and 122,533,692,471.63
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Solution
The fourth proportional to 225,422,694,465.46, 311,081,108,316.90 and 122,533,692,471.63 is: 169,095,294,289.80
Step by Step Solution
- Step 1: Write the proportion equation
225,422,694,465.46 : 311,081,108,316.90 = 122,533,692,471.63 : x - Step 2: Convert to fraction form
225,422,694,465.46/311,081,108,316.90 = 122,533,692,471.63/x - Step 3: Cross multiply
225,422,694,465.46x = 311,081,108,316.90 × 122,533,692,471.63 - Step 4: Simplify right side
225,422,694,465.46x = 38,117,916,860,236,848,693,248 - Step 5: Solve for x
x = 38,117,916,860,236,848,693,248/225,422,694,465.46 - Step 6: Final answer
x = 169,095,294,289.80
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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.