Finding the Fourth Proportional to 1,675,717,800.77, 2,312,405,099.55 and 923,014,772.79
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Solution
The fourth proportional to 1,675,717,800.77, 2,312,405,099.55 and 923,014,772.79 is: 1,273,713,310.55
Step by Step Solution
- Step 1: Write the proportion equation
1,675,717,800.77 : 2,312,405,099.55 = 923,014,772.79 : x - Step 2: Convert to fraction form
1,675,717,800.77/2,312,405,099.55 = 923,014,772.79/x - Step 3: Cross multiply
1,675,717,800.77x = 2,312,405,099.55 × 923,014,772.79 - Step 4: Simplify right side
1,675,717,800.77x = 2,134,384,067,559,580,672 - Step 5: Solve for x
x = 2,134,384,067,559,580,672/1,675,717,800.77 - Step 6: Final answer
x = 1,273,713,310.55
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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.