Finding the Fourth Proportional to 1,107,208,424.16, 1,527,899,239.44 and 605,407,747.68
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Solution
The fourth proportional to 1,107,208,424.16, 1,527,899,239.44 and 605,407,747.68 is: 835,436,234.99
Step by Step Solution
- Step 1: Write the proportion equation
1,107,208,424.16 : 1,527,899,239.44 = 605,407,747.68 : x - Step 2: Convert to fraction form
1,107,208,424.16/1,527,899,239.44 = 605,407,747.68/x - Step 3: Cross multiply
1,107,208,424.16x = 1,527,899,239.44 × 605,407,747.68 - Step 4: Simplify right side
1,107,208,424.16x = 925,002,037,231,355,392 - Step 5: Solve for x
x = 925,002,037,231,355,392/1,107,208,424.16 - Step 6: Final answer
x = 835,436,234.99
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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.