Finding the Fourth Proportional to 4,659,898,660.80, 6,430,616,691.84 and 2,545,353,795.84
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Solution
The fourth proportional to 4,659,898,660.80, 6,430,616,691.84 and 2,545,353,795.84 is: 3,512,564,499.28
Step by Step Solution
- Step 1: Write the proportion equation
4,659,898,660.80 : 6,430,616,691.84 = 2,545,353,795.84 : x - Step 2: Convert to fraction form
4,659,898,660.80/6,430,616,691.84 = 2,545,353,795.84/x - Step 3: Cross multiply
4,659,898,660.80x = 6,430,616,691.84 × 2,545,353,795.84 - Step 4: Simplify right side
4,659,898,660.80x = 16,368,194,606,167,009,280 - Step 5: Solve for x
x = 16,368,194,606,167,009,280/4,659,898,660.80 - Step 6: Final answer
x = 3,512,564,499.28
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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.