Finding the Fourth Proportional to 3,779,227,471.20, 5,668,841,206.80 and 3,549,644,959.20
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Solution
The fourth proportional to 3,779,227,471.20, 5,668,841,206.80 and 3,549,644,959.20 is: 5,324,467,438.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,227,471.20 : 5,668,841,206.80 = 3,549,644,959.20 : x - Step 2: Convert to fraction form
3,779,227,471.20/5,668,841,206.80 = 3,549,644,959.20/x - Step 3: Cross multiply
3,779,227,471.20x = 5,668,841,206.80 × 3,549,644,959.20 - Step 4: Simplify right side
3,779,227,471.20x = 20,122,373,614,222,864,384 - Step 5: Solve for x
x = 20,122,373,614,222,864,384/3,779,227,471.20 - Step 6: Final answer
x = 5,324,467,438.80
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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.