Finding the Fourth Proportional to 3,779,143,614.40, 5,668,715,421.60 and 2,225,635,283.20
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Solution
The fourth proportional to 3,779,143,614.40, 5,668,715,421.60 and 2,225,635,283.20 is: 3,338,452,924.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,143,614.40 : 5,668,715,421.60 = 2,225,635,283.20 : x - Step 2: Convert to fraction form
3,779,143,614.40/5,668,715,421.60 = 2,225,635,283.20/x - Step 3: Cross multiply
3,779,143,614.40x = 5,668,715,421.60 × 2,225,635,283.20 - Step 4: Simplify right side
3,779,143,614.40x = 12,616,493,052,732,923,904 - Step 5: Solve for x
x = 12,616,493,052,732,923,904/3,779,143,614.40 - Step 6: Final answer
x = 3,338,452,924.80
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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.