Finding the Fourth Proportional to 3,973,825,948.98, 5,483,996,786.14 and 2,189,794,323.09
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Solution
The fourth proportional to 3,973,825,948.98, 5,483,996,786.14 and 2,189,794,323.09 is: 3,021,980,626.31
Step by Step Solution
- Step 1: Write the proportion equation
3,973,825,948.98 : 5,483,996,786.14 = 2,189,794,323.09 : x - Step 2: Convert to fraction form
3,973,825,948.98/5,483,996,786.14 = 2,189,794,323.09/x - Step 3: Cross multiply
3,973,825,948.98x = 5,483,996,786.14 × 2,189,794,323.09 - Step 4: Simplify right side
3,973,825,948.98x = 12,008,825,030,133,178,368 - Step 5: Solve for x
x = 12,008,825,030,133,178,368/3,973,825,948.98 - Step 6: Final answer
x = 3,021,980,626.31
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.