Finding the Fourth Proportional to 518,150,924.10, 777,313,477.35 and 154,682,021.70
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Solution
The fourth proportional to 518,150,924.10, 777,313,477.35 and 154,682,021.70 is: 232,049,031.62
Step by Step Solution
- Step 1: Write the proportion equation
518,150,924.10 : 777,313,477.35 = 154,682,021.70 : x - Step 2: Convert to fraction form
518,150,924.10/777,313,477.35 = 154,682,021.70/x - Step 3: Cross multiply
518,150,924.10x = 777,313,477.35 × 154,682,021.70 - Step 4: Simplify right side
518,150,924.10x = 120,236,420,171,155,152 - Step 5: Solve for x
x = 120,236,420,171,155,152/518,150,924.10 - Step 6: Final answer
x = 232,049,031.62
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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.