Finding the Fourth Proportional to 4,289,606,963.60, 6,434,410,445.40 and 3,037,957,120.40
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Solution
The fourth proportional to 4,289,606,963.60, 6,434,410,445.40 and 3,037,957,120.40 is: 4,556,935,680.60
Step by Step Solution
- Step 1: Write the proportion equation
4,289,606,963.60 : 6,434,410,445.40 = 3,037,957,120.40 : x - Step 2: Convert to fraction form
4,289,606,963.60/6,434,410,445.40 = 3,037,957,120.40/x - Step 3: Cross multiply
4,289,606,963.60x = 6,434,410,445.40 × 3,037,957,120.40 - Step 4: Simplify right side
4,289,606,963.60x = 19,547,463,028,179,066,880 - Step 5: Solve for x
x = 19,547,463,028,179,066,880/4,289,606,963.60 - Step 6: Final answer
x = 4,556,935,680.60
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1.5x scale
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.