Finding the Fourth Proportional to 3,779,167,266.10, 5,668,750,899.15 and 1,324,618,434.10
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Solution
The fourth proportional to 3,779,167,266.10, 5,668,750,899.15 and 1,324,618,434.10 is: 1,986,927,651.15
Step by Step Solution
- Step 1: Write the proportion equation
3,779,167,266.10 : 5,668,750,899.15 = 1,324,618,434.10 : x - Step 2: Convert to fraction form
3,779,167,266.10/5,668,750,899.15 = 1,324,618,434.10/x - Step 3: Cross multiply
3,779,167,266.10x = 5,668,750,899.15 × 1,324,618,434.10 - Step 4: Simplify right side
3,779,167,266.10x = 7,508,931,939,335,038,976 - Step 5: Solve for x
x = 7,508,931,939,335,038,976/3,779,167,266.10 - Step 6: Final answer
x = 1,986,927,651.15
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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.