Finding the Fourth Proportional to 7,473,722,452.80, 11,210,583,679.20 and 4,366,705,790.40
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Solution
The fourth proportional to 7,473,722,452.80, 11,210,583,679.20 and 4,366,705,790.40 is: 6,550,058,685.60
Step by Step Solution
- Step 1: Write the proportion equation
7,473,722,452.80 : 11,210,583,679.20 = 4,366,705,790.40 : x - Step 2: Convert to fraction form
7,473,722,452.80/11,210,583,679.20 = 4,366,705,790.40/x - Step 3: Cross multiply
7,473,722,452.80x = 11,210,583,679.20 × 4,366,705,790.40 - Step 4: Simplify right side
7,473,722,452.80x = 48,953,320,665,726,377,984 - Step 5: Solve for x
x = 48,953,320,665,726,377,984/7,473,722,452.80 - Step 6: Final answer
x = 6,550,058,685.60
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1.5x scale
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.