Finding the Fourth Proportional to 3,779,145,201.60, 5,668,717,802.40 and 1,324,596,369.60
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Solution
The fourth proportional to 3,779,145,201.60, 5,668,717,802.40 and 1,324,596,369.60 is: 1,986,894,554.40
Step by Step Solution
- Step 1: Write the proportion equation
3,779,145,201.60 : 5,668,717,802.40 = 1,324,596,369.60 : x - Step 2: Convert to fraction form
3,779,145,201.60/5,668,717,802.40 = 1,324,596,369.60/x - Step 3: Cross multiply
3,779,145,201.60x = 5,668,717,802.40 × 1,324,596,369.60 - Step 4: Simplify right side
3,779,145,201.60x = 7,508,763,021,345,929,216 - Step 5: Solve for x
x = 7,508,763,021,345,929,216/3,779,145,201.60 - Step 6: Final answer
x = 1,986,894,554.40
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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.