Finding the Fourth Proportional to 14,920,193,293.08, 20,599,158,961.68 and 9,497,788,419
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Solution
The fourth proportional to 14,920,193,293.08, 20,599,158,961.68 and 9,497,788,419 is: 13,112,863,190.46
Step by Step Solution
- Step 1: Write the proportion equation
14,920,193,293.08 : 20,599,158,961.68 = 9,497,788,419 : x - Step 2: Convert to fraction form
14,920,193,293.08/20,599,158,961.68 = 9,497,788,419/x - Step 3: Cross multiply
14,920,193,293.08x = 20,599,158,961.68 × 9,497,788,419 - Step 4: Simplify right side
14,920,193,293.08x = 195,646,453,427,384,385,536 - Step 5: Solve for x
x = 195,646,453,427,384,385,536/14,920,193,293.08 - Step 6: Final answer
x = 13,112,863,190.46
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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.