Finding the Fourth Proportional to 1,959,550,516.14, 2,704,178,520.09 and 1,079,484,220.14
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Solution
The fourth proportional to 1,959,550,516.14, 2,704,178,520.09 and 1,079,484,220.14 is: 1,489,687,567.04
Step by Step Solution
- Step 1: Write the proportion equation
1,959,550,516.14 : 2,704,178,520.09 = 1,079,484,220.14 : x - Step 2: Convert to fraction form
1,959,550,516.14/2,704,178,520.09 = 1,079,484,220.14/x - Step 3: Cross multiply
1,959,550,516.14x = 2,704,178,520.09 × 1,079,484,220.14 - Step 4: Simplify right side
1,959,550,516.14x = 2,919,118,040,878,693,376 - Step 5: Solve for x
x = 2,919,118,040,878,693,376/1,959,550,516.14 - Step 6: Final answer
x = 1,489,687,567.04
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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.