Finding the Fourth Proportional to 10,781,717,874.09, 14,879,540,595.73 and 5,958,979,110.15
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Solution
The fourth proportional to 10,781,717,874.09, 14,879,540,595.73 and 5,958,979,110.15 is: 8,223,816,706.58
Step by Step Solution
- Step 1: Write the proportion equation
10,781,717,874.09 : 14,879,540,595.73 = 5,958,979,110.15 : x - Step 2: Convert to fraction form
10,781,717,874.09/14,879,540,595.73 = 5,958,979,110.15/x - Step 3: Cross multiply
10,781,717,874.09x = 14,879,540,595.73 × 5,958,979,110.15 - Step 4: Simplify right side
10,781,717,874.09x = 88,666,871,578,583,941,120 - Step 5: Solve for x
x = 88,666,871,578,583,941,120/10,781,717,874.09 - Step 6: Final answer
x = 8,223,816,706.58
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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.