Finding the Fourth Proportional to 8,815,887,776.92, 12,165,925,353.96 and 4,855,589,444.92
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Solution
The fourth proportional to 8,815,887,776.92, 12,165,925,353.96 and 4,855,589,444.92 is: 6,700,713,556.16
Step by Step Solution
- Step 1: Write the proportion equation
8,815,887,776.92 : 12,165,925,353.96 = 4,855,589,444.92 : x - Step 2: Convert to fraction form
8,815,887,776.92/12,165,925,353.96 = 4,855,589,444.92/x - Step 3: Cross multiply
8,815,887,776.92x = 12,165,925,353.96 × 4,855,589,444.92 - Step 4: Simplify right side
8,815,887,776.92x = 59,072,738,736,372,785,152 - Step 5: Solve for x
x = 59,072,738,736,372,785,152/8,815,887,776.92 - Step 6: Final answer
x = 6,700,713,556.16
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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.