Finding the Fourth Proportional to 7,174,454,861.60, 10,761,682,292.40 and 4,405,104,000.80
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Solution
The fourth proportional to 7,174,454,861.60, 10,761,682,292.40 and 4,405,104,000.80 is: 6,607,656,001.20
Step by Step Solution
- Step 1: Write the proportion equation
7,174,454,861.60 : 10,761,682,292.40 = 4,405,104,000.80 : x - Step 2: Convert to fraction form
7,174,454,861.60/10,761,682,292.40 = 4,405,104,000.80/x - Step 3: Cross multiply
7,174,454,861.60x = 10,761,682,292.40 × 4,405,104,000.80 - Step 4: Simplify right side
7,174,454,861.60x = 47,406,329,721,589,751,808 - Step 5: Solve for x
x = 47,406,329,721,589,751,808/7,174,454,861.60 - Step 6: Final answer
x = 6,607,656,001.20
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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.