Finding the Fourth Proportional to 1,520,305,923.74, 2,279,627,554.75 and 1,207,183,356.53
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Solution
The fourth proportional to 1,520,305,923.74, 2,279,627,554.75 and 1,207,183,356.53 is: 1,810,114,925.03
Step by Step Solution
- Step 1: Write the proportion equation
1,520,305,923.74 : 2,279,627,554.75 = 1,207,183,356.53 : x - Step 2: Convert to fraction form
1,520,305,923.74/2,279,627,554.75 = 1,207,183,356.53/x - Step 3: Cross multiply
1,520,305,923.74x = 2,279,627,554.75 × 1,207,183,356.53 - Step 4: Simplify right side
1,520,305,923.74x = 2,751,928,443,177,572,864 - Step 5: Solve for x
x = 2,751,928,443,177,572,864/1,520,305,923.74 - Step 6: Final answer
x = 1,810,114,925.03
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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.