Finding the Fourth Proportional to 4,221,948,512.16, 5,826,178,018.08 and 2,316,704,134.38
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Solution
The fourth proportional to 4,221,948,512.16, 5,826,178,018.08 and 2,316,704,134.38 is: 3,196,990,835.69
Step by Step Solution
- Step 1: Write the proportion equation
4,221,948,512.16 : 5,826,178,018.08 = 2,316,704,134.38 : x - Step 2: Convert to fraction form
4,221,948,512.16/5,826,178,018.08 = 2,316,704,134.38/x - Step 3: Cross multiply
4,221,948,512.16x = 5,826,178,018.08 × 2,316,704,134.38 - Step 4: Simplify right side
4,221,948,512.16x = 13,497,530,702,119,811,072 - Step 5: Solve for x
x = 13,497,530,702,119,811,072/4,221,948,512.16 - Step 6: Final answer
x = 3,196,990,835.69
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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.