Finding the Fourth Proportional to 229,277,277,692.12, 316,403,602,228.99 and 126,392,139,025.84
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Solution
The fourth proportional to 229,277,277,692.12, 316,403,602,228.99 and 126,392,139,025.84 is: 174,421,680,524.77
Step by Step Solution
- Step 1: Write the proportion equation
229,277,277,692.12 : 316,403,602,228.99 = 126,392,139,025.84 : x - Step 2: Convert to fraction form
229,277,277,692.12/316,403,602,228.99 = 126,392,139,025.84/x - Step 3: Cross multiply
229,277,277,692.12x = 316,403,602,228.99 × 126,392,139,025.84 - Step 4: Simplify right side
229,277,277,692.12x = 39,990,928,081,203,081,773,056 - Step 5: Solve for x
x = 39,990,928,081,203,081,773,056/229,277,277,692.12 - Step 6: Final answer
x = 174,421,680,524.77
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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.