Finding the Fourth Proportional to 1,594,886,717.92, 2,392,330,076.86 and 430,353,340.64
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Solution
The fourth proportional to 1,594,886,717.92, 2,392,330,076.86 and 430,353,340.64 is: 645,530,010.95
Step by Step Solution
- Step 1: Write the proportion equation
1,594,886,717.92 : 2,392,330,076.86 = 430,353,340.64 : x - Step 2: Convert to fraction form
1,594,886,717.92/2,392,330,076.86 = 430,353,340.64/x - Step 3: Cross multiply
1,594,886,717.92x = 2,392,330,076.86 × 430,353,340.64 - Step 4: Simplify right side
1,594,886,717.92x = 1,029,547,240,490,248,960 - Step 5: Solve for x
x = 1,029,547,240,490,248,960/1,594,886,717.92 - Step 6: Final answer
x = 645,530,010.95
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.