Finding the Fourth Proportional to 7,091,715,057.80, 10,637,572,586.70 and 4,298,177,726.60
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Solution
The fourth proportional to 7,091,715,057.80, 10,637,572,586.70 and 4,298,177,726.60 is: 6,447,266,589.90
Step by Step Solution
- Step 1: Write the proportion equation
7,091,715,057.80 : 10,637,572,586.70 = 4,298,177,726.60 : x - Step 2: Convert to fraction form
7,091,715,057.80/10,637,572,586.70 = 4,298,177,726.60/x - Step 3: Cross multiply
7,091,715,057.80x = 10,637,572,586.70 × 4,298,177,726.60 - Step 4: Simplify right side
7,091,715,057.80x = 45,722,177,557,244,698,624 - Step 5: Solve for x
x = 45,722,177,557,244,698,624/7,091,715,057.80 - Step 6: Final answer
x = 6,447,266,589.90
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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.