Finding the Fourth Proportional to 3,398,530,708.42, 4,689,349,787.84 and 1,893,119,596.12
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Solution
The fourth proportional to 3,398,530,708.42, 4,689,349,787.84 and 1,893,119,596.12 is: 2,612,158,234.86
Step by Step Solution
- Step 1: Write the proportion equation
3,398,530,708.42 : 4,689,349,787.84 = 1,893,119,596.12 : x - Step 2: Convert to fraction form
3,398,530,708.42/4,689,349,787.84 = 1,893,119,596.12/x - Step 3: Cross multiply
3,398,530,708.42x = 4,689,349,787.84 × 1,893,119,596.12 - Step 4: Simplify right side
3,398,530,708.42x = 8,877,499,976,421,067,776 - Step 5: Solve for x
x = 8,877,499,976,421,067,776/3,398,530,708.42 - Step 6: Final answer
x = 2,612,158,234.86
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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.