Finding the Fourth Proportional to 929,183,343.06, 1,282,289,320.71 and 505,809,176.70
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Solution
The fourth proportional to 929,183,343.06, 1,282,289,320.71 and 505,809,176.70 is: 698,025,540.86
Step by Step Solution
- Step 1: Write the proportion equation
929,183,343.06 : 1,282,289,320.71 = 505,809,176.70 : x - Step 2: Convert to fraction form
929,183,343.06/1,282,289,320.71 = 505,809,176.70/x - Step 3: Cross multiply
929,183,343.06x = 1,282,289,320.71 × 505,809,176.70 - Step 4: Simplify right side
929,183,343.06x = 648,593,705,599,527,424 - Step 5: Solve for x
x = 648,593,705,599,527,424/929,183,343.06 - Step 6: Final answer
x = 698,025,540.86
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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.