Finding the Fourth Proportional to 1,430,833,719.66, 2,146,247,900.73 and 448,335,473.82
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Solution
The fourth proportional to 1,430,833,719.66, 2,146,247,900.73 and 448,335,473.82 is: 672,502,371.37
Step by Step Solution
- Step 1: Write the proportion equation
1,430,833,719.66 : 2,146,247,900.73 = 448,335,473.82 : x - Step 2: Convert to fraction form
1,430,833,719.66/2,146,247,900.73 = 448,335,473.82/x - Step 3: Cross multiply
1,430,833,719.66x = 2,146,247,900.73 × 448,335,473.82 - Step 4: Simplify right side
1,430,833,719.66x = 962,239,069,508,964,864 - Step 5: Solve for x
x = 962,239,069,508,964,864/1,430,833,719.66 - Step 6: Final answer
x = 672,502,371.37
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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.