Finding the Fourth Proportional to 1,560,440,854.56, 2,340,661,236.61 and 719,834,889.92
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Solution
The fourth proportional to 1,560,440,854.56, 2,340,661,236.61 and 719,834,889.92 is: 1,079,752,314.02
Step by Step Solution
- Step 1: Write the proportion equation
1,560,440,854.56 : 2,340,661,236.61 = 719,834,889.92 : x - Step 2: Convert to fraction form
1,560,440,854.56/2,340,661,236.61 = 719,834,889.92/x - Step 3: Cross multiply
1,560,440,854.56x = 2,340,661,236.61 × 719,834,889.92 - Step 4: Simplify right side
1,560,440,854.56x = 1,684,889,623,601,885,696 - Step 5: Solve for x
x = 1,684,889,623,601,885,696/1,560,440,854.56 - Step 6: Final answer
x = 1,079,752,314.02
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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.