Finding the Fourth Proportional to 3,779,142,207.60, 5,668,713,311.40 and 2,545,632,217.20
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Solution
The fourth proportional to 3,779,142,207.60, 5,668,713,311.40 and 2,545,632,217.20 is: 3,818,448,325.80
Step by Step Solution
- Step 1: Write the proportion equation
3,779,142,207.60 : 5,668,713,311.40 = 2,545,632,217.20 : x - Step 2: Convert to fraction form
3,779,142,207.60/5,668,713,311.40 = 2,545,632,217.20/x - Step 3: Cross multiply
3,779,142,207.60x = 5,668,713,311.40 × 2,545,632,217.20 - Step 4: Simplify right side
3,779,142,207.60x = 14,430,459,235,570,333,696 - Step 5: Solve for x
x = 14,430,459,235,570,333,696/3,779,142,207.60 - Step 6: Final answer
x = 3,818,448,325.80
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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.