Finding the Fourth Proportional to 2,183,743,497.80, 3,275,615,246.70 and 959,303,433.80
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Solution
The fourth proportional to 2,183,743,497.80, 3,275,615,246.70 and 959,303,433.80 is: 1,438,955,150.70
Step by Step Solution
- Step 1: Write the proportion equation
2,183,743,497.80 : 3,275,615,246.70 = 959,303,433.80 : x - Step 2: Convert to fraction form
2,183,743,497.80/3,275,615,246.70 = 959,303,433.80/x - Step 3: Cross multiply
2,183,743,497.80x = 3,275,615,246.70 × 959,303,433.80 - Step 4: Simplify right side
2,183,743,497.80x = 3,142,308,953,966,943,744 - Step 5: Solve for x
x = 3,142,308,953,966,943,744/2,183,743,497.80 - Step 6: Final answer
x = 1,438,955,150.70
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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.