Finding the Fourth Proportional to 1,241,737,761.36, 1,713,599,811 and 677,224,006.92
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Solution
The fourth proportional to 1,241,737,761.36, 1,713,599,811 and 677,224,006.92 is: 934,570,056.88
Step by Step Solution
- Step 1: Write the proportion equation
1,241,737,761.36 : 1,713,599,811 = 677,224,006.92 : x - Step 2: Convert to fraction form
1,241,737,761.36/1,713,599,811 = 677,224,006.92/x - Step 3: Cross multiply
1,241,737,761.36x = 1,713,599,811 × 677,224,006.92 - Step 4: Simplify right side
1,241,737,761.36x = 1,160,490,930,262,774,528 - Step 5: Solve for x
x = 1,160,490,930,262,774,528/1,241,737,761.36 - Step 6: Final answer
x = 934,570,056.88
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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.